...actional determination of sulfuric acid, hydrofluoric acid, and hexafluorosilicic acid Industry Chemicals Instrument...
...fluorosilicic acids present in a polishing bath solution used for glass parts, in which the respective acids were quanti...
...ce chips 　 - Titration 1 Measurement of sulfuric acid - 1) Transfer the sample to a plastic beaker and measure...

...Application Note Total acid number of petroleum products Industry : Petroleum Instrument : Automatic potentiometr...
...otal acid number of petroleum products is specified in "ASTM D664 Standard Test Method for Acid Number of Petroleum Prod...
...appropriate buffer specified by each standard.). Total acid number is calculated from the volume of potassium hydroxide ...

...Application Note Determination of the total acid number in petroleum products Industry Petrochemicals Instrument Au...
...total acid number of a petroleum product is important in evaluating its quality, such as checking for organic acids resu...
...es an example of the determination of the total acid number of petroleum products in accordance with ASTM D664 (9. Notes...

...pplication Note Basic nitrogen in heavy fuel oil Industry : Petroleum Instrument : Automatic potentiometric titra...
... : UOP Method 269 Basic nitrogen in heavy fuel oil was measured based on "UOP Method 269-10 Nitrogen Bases i...
...en acetic acid was added to the solution. The solution was titrated with 0.02 mol/L perchloric acid acetic acid solution...

...Application Note Bromine number of cyclohexene Industry : Petroleum Instrument : Automatic potentiometric titrato...
...mine number of cyclohexene was measured by polarization titration at constant current based on "JIS K2605 Petroleum dist...
...s - Determination of bromine number - Electrometric method". Bromine number is the number of grams of bromine that is ...

...Application Note Saponification number of petroleum products Industry Petroleum Instrument Automatic potentiometri...
...dards ASTM D94 　The saponification number represents the number of mg of potassium hydroxide required to sapo...
...of how to measure sample to determine its saponification number using an automatic potentiometric titrator (based on AST...

...Application Note Bromine number of olefines Industry Petroleum Instrument Automatic potentiometric titrator Measu...
... The bromine number indicates the amount of a component with unsaturated bonds. It is defined as the number of grams of ...
...f sample (see Note 1). In this application note, bromine number is measured by potentiometric titration. In this titra...

...rmination of Acrinol Monohydrate by Titration with Acetic Acid / Acetic Anhydride as Solvent Industry : Pharmaceuti...
...oride solution in acetic acid (2) Saturated sodium perchlorate solution in acetic acid Electrolyte (1) is ...
...e operator. When preparing this solution, saturate acetic acid with anhydrous sodium perchlorate, and use the supernatan...

...Application Note Bromine numbers of petroleum distillates and aliphatic olefins by potentiometric titration Industry...
...easurement is performed using organic solvents and strong acids. When you follow this application note, wear masks, glov...
... bromine number is the number of grams of bromine added to carbon-carbon unsaturated bonds in 100 g of petroleum fractio...

...Application Note Quantifying boric acid in a nickel plating solution Industry Metals Instrument Automatic poten...
...lm will be formed within this pH range. In general, boric acid is used to adjust the pH. It also serves to whiten the ap...
...t is very important to control the concentration of boric acid in a nickel plating solution. This Application Note desc...

....5 mol/L sodium nitrite using amidosulfuric acid (also known as Sufamic acid) as a standard (Note1). To prevent ...
...decomposition and volatilization of nitrous acid, cool the solution to 15 °C or less during measurement. 　 　 The...
... solution Additive reagents Concentrated hydrochloric acid, Potassium bromide Others Pure water, Ice chips of ...

...ic acid and acetic acid to the sample, L-Histidine is measured by titration with 0.1mol/L perchloric acid (acetic acid) ...
...culated from the titration volume of the perchloric acid (acetic acid) solution. Main unit Automatic potentiome...
...e in acetic acid) Temperature compensation electrode Titrant 0.l mo1/L perchloric acid (acetic acid) solution ...

...Application Memo Hydrochloric Acid in Pickling Solution Industry Inorganic chemical industry Instrument Automatic...
... solution like hydrochloric acid, sulfuric acid or mixed acid of hydrochloric and nitric acid is used to remove a "scale...
...he acid bath is used to remove the oxidation film before the plating process. The concentration of hydrochloric acid in...

...Application Memo Malonic Acid and Boric Acid in Alloy Plating Solution Industry Inorganic chemical industry Instru...
...urement method Neutralization titration Malonic acid concentration in the diluted sample is measured by titrat...
...c acid concentration is calculated from the titration volume of the sodium hydroxide. After adding Mannitol, boric acid ...

...ation Memo Determination of Mixed Acids (Nitric Acid, Hydrofluoric Acid, Acetic Acid) Industry Inorganic chemical i...
...ards After adding acetone to the sample, three acids concentrations are measured by titration with 0.5mol/L s...
...s are the maximum inflexions on the titration curve. Each acid concentration is calculated from the titration volume of ...

...ity) / API gravity measurements of lubricating oil Industry Petroleum Instrument Density/Specific gravity meter + ...
...suring the density, relative density and API gravity of petroleum products (liquid samples) by a digital density meter. ...
...urement of density (specific gravity) / API of lubricating oil using an Auto Sampler (Note 1). The correct values...

...Application Memo Bromine Number of Cyclohexane Industry Organic chemical industry Instrument Automatic potentiome...
... JIS K 2605-1996 Petroleum distillates and commercial aliphatic olefins -Determination of bromine number -Electrometric ...
...tial change due to free iodine in titration. The bromine number is calculated from the titration volume of potassium bro...

...ion The decomposition of cyanide ion by sulfuric acid and nitric acid releases hydrogen cyanide via an exothermic react...
... Additive reagents Concentrated sulfuric acid, Concentrated nitric acid 1) Add exactly 10 mL of the sample...
... Add 20 mL of concentrated sulfuric acid and three drops of concentrated nitric acid and then gently stir to induce the ...

...Application Note Determination of the Bromine Index of Petroleum Hydrocarbons Using Electrometric Titration Industry...
...a component with unsaturated bonds. It is defined as the number of mg of bromine that reacts with 100 g of a sample. In ...
...dex of the amount of an unsaturated trace compound in a petroleum fraction at 288 °C (550 °F) or lower. In these stand...

...Application Memo Iodine Value of Oleic Acid Industry Fat and oil Instrument Automatic potentiometric titrator Me...
... 3961, The JOCS Standard methods for the Analysis of Fats, Oils and Related Materials Iodine value is expressed...
...on in fatty acids. Iodine value of oleic acid which is a typical fatty acid of plant and animal fats and oils, is measur...

...tion Memo Peroxide Value of Cone Oil and Silicone Oil Mixture Industry Fat and oil Instrument Automatic potentiom...
...mical formula. After reacting the mixture of corn oil and silicone oil with excess potassium iodide, the liberated iodin...
...ndard solution Solvent Mixture of chloroform and acetic acid (2+3) Potassium iodide (Saturated solution) ―Ti...

...reaction formula (1), (2)) by titrating with hydrochloric acid (Note 2). 　　　　　　　　　K2CO3 + HCl → K...
...ation electrode 　 Titrant 0.5mol / L Hydrochloric acid solution 1) Dilute the sample exactly ten times ...
... of pure water. 4) Titrate with 0.5 mol / L hydrochloric acid solution. Potassium carbonate (g / L) = (EP2 - ...

...e of excess I- and in a strong acid solution (equivalent to 0.1-0.4mol/L hydrochloric acid). 1) Perform redox ...
...ation of Fe3+ under a strong acidic condition (equivalent to 0.1-0.4mol/L hydrochloric acid). 2) Handle the reagents...
.... *If acid concentration of the solution is out of a range equivalent to 0.1-0.4mol/L hydrochloric acid after addi...

...Application Memo Bromine Number of Naphtho Alkylbenzene Industry Inorganic chemical industry Instrument Automatic...
... After adding the solvent to the sample, bromine number is measured by titration with the titrant. The endpoint ...
...he maximum inflexion on the titration curve. The bromine number is calculated from the titration volume of the titrant. ...

...Application Memo Measurement Bromine Number of Toluene Industry Organic chemical industry Instrument Automatic po...
... After adding the solvent to the sample, bromine number is measured by titration with the titrant at 20℃ tempe...
...he maximum inflexion on the titration curve. The bromine number is calculated from the titration volume of the titrant. ...

...MnO4- + 8H+ → 5Fe3+ + Mn2+ + 4H2O When hydrochloric acid is contained in a sample, a portion of KMnO4 solution is ...
...MnSO4･5H2O. 3) Add 175mL of phosphoric acid and 350mL of sulfuric acid (1+1).* 4) Add pure water until the tot...
...the solution becomes1L. *When adding phosphoric acid and sulfuric acid (1+1), the solution becomes hot by heat of disso...

...dard solution is used as a titrant for measuring bromine number and bromine index. This application note describes the s...
...ts Glacial acetic acid, Concentrated hydrochloric acid 1) Combine 50 mL of glacial acetic acid and 1 mL of conc...
...entrated hydrochloric acid into a glass stoppered Erlenmeyer flask, and cool in an ice bath for 10 minutes while stirrin...

...Application Memo Sulfamic Acid in Plating Solution Industry Nonferrous metal Instrument Automatic potentiometric ...
...nt method Redox titration Standards Sulfamic acid in plating solution is measured by titration with 0.1mol/...
...oric acid and water to the sample. The endpoint is the maximum inflexion on the titration curve. The sulfamic acid con...

....01 mol/L Aqueous sulfate standard 0.1 mol/L Perchloric acid solution Ethanol* (for blank test) *Used a sulfate-free...
...s sulfate standard. 3) Add 1 mL of 0.1 mol/L perchloric acid solution. Check the pH with pH test paper (range of 3 to ...
...us sulfate standard. 3) Add 1 mL of 0.1 mol/L perchloric acid solution. Check the pH with pH test paper (range of 3 to ...

...Application Memo POV of Cooking Oil Industry Fat and Oil Instrument Automatic potentiometric titrator Measuremen...
...dards The JOCS Standard methods for the Analysis of Fats, Oils and Related Materials ISO 3960 Peroxide value i...
... standards. Dissolve the cooking oil sample in the mixture of chloroform and acetic acid (1+2) solution while removing t...

...Application Memo Determination of Ascorbic Acid Concentration Industry Organic chemical Industry Instrument Autom...
... After adding (1 + 49) metaphosphoric acid solution to 0.2g ascorbic acid sample, it is titrated with 0.05mol/L iod...
...is method is useful for the purity evaluation of ascorbic acid. Main unit Automatic potentiometric titrator (pr...

...titative Determination of Hydrogen Peroxide and Peracetic Acid in Cleaning Solution Industry Inorganic chemical indu...
...n Standards After adding water and 25% sulfuric acid solution to the sample, it is titrated with 0.02mol/L pot...
...e maximum inflexion on the titration curve. The peracetic acid concentration is calculated from the titration volume of ...

...ssium bromate reference liquid used for bromine number test of petroleum products is stipulated in the standards of JIS ...
...98 and ISO 3839:1996. The test procedure is follows: 1) Acidify predetermined amount of Potassium bromide-potassium br...
...ution cooled in ice water with acetic acid + hydrochloric acid. 2) Add potassium iodide to free iodine and titrate the f...

...Memo Quantitative Determination of Sodium Hydroxide, Tar Acid (Phenol) and Sodium Carbonate in Recovered Sodium Indu...
... acid. The endpoints are the maximum inflexions on the titration curve. The concentration of sodium hydroxide, tar acid ...
...ompensation electrode Titrant 0.5mol/L hydrochloric acid Additive 1% barium chloride ―Titration curve...

...Application Memo Iodine Number of Octanol Industry Organic chemical industry Instrument Automatic potentiometric ...
...method Redox titration Standards The iodine number of octanol is measured by as follows: Firstly, the sampl...
...ximum inflexion point on the titration curve. The iodine number is calculated from titration volume of sodium thiosulfat...

...Application Note Mercaptan sulfur of petroleum products Industry : Petroleum Instrument : Automatic potentiometri...
...lectrode at least once a week by stirring in cold chromic acid solution. 4) 0.1mol/L silver nitrate 2-propanol solution...
... Int. ＜Ctrl. Para.＞ ＜Titr. Form＞ : EP Stop Number of EP : 1 End Sense : Auto ＜Titr. Para.＞ ...

...Application Note Determination of benzoic acid Industry Pharmaceutical Instrument Automatic potentiometric titrator...
...n Standards Japanese Pharmacopoeia (JP) Benzoic acid is used in pharmaceuticals as a topical disinfectant and ...
...ote introduces an example of the determination of benzoic acid by the JP. Seal the refill port for internal liqui...

... potentiometrically titrated with 0.01 mol/L hydrochloric acid. The point at pH 5.70 was regarded as the endpoint. Alkal...
... the sample is calculated from the volume of hydrochloric acid consumed to titrate the sample to the endpoint. 　1...
...m chloride solution) ・0.01 mol/L hydrochloric acid ・Standard buffer solution at pH 4.01 ・Standar...

...lication Memo Peroxide Value of Instant Noodle （Acetic Acid-Isooctane Method） Industry Food Instrument Automa...
...dards The JOCS Standard Methods for the Analysis of Fats, Oils and Related Materials Specifications and Standards for...
... oxidation of fat and oil or foods containing them can be checked by POV (peroxide value). The oil and fat content oxidi...

...Application Memo Water Content of Acids (3) [Formic Acid] Industry : Inorganic Chemical Instrument : Karl F...
...ent of formic acid by volumetric KF titration according to JIS K 0113-2005 as quoted below. Formic acid reacts to eas...
...racting medium Water content (g) (mg) (%) Formic acid 2.420 KET 30.11 1.24 　　 　　P...

...Application Memo Peroxide Value (POV) of Soybean Oil Industry Food Instrument Automatic potentiometric titrator ...
... oil is demonstrated in this application. The test sample is first dissolved in a mixture of chloroform and acetic acid ...
...te (f = 1.005) Solvent Mixture of chloroform and acetic acid (2:3) Saturated potassium iodide Nitrogen gas ...

...Application Memo Peroxide Value of Fried Snack （Acetic Acid-Isooctane Method） Industry Food Instrument Automa...
...s of Fats, Oils and Related Materials Japanese Agricultural Standards The oxidation of fat and oil or foods c...
...ontaining them can be checked by POV (peroxide value). The oil and fat content oxidize with oxygen in the air, and produ...

... solution, Nitric acid (1+1), 0.05 mol/L Iodine solution, 20 % Potassium iodide solution, Acetic acid 1) Introd...
...ps of the 1 % phenolphthalein solution. 3) Add nitric acid (1 + 1) until the red color disappears. 4) Add exactl...
...mL of a 20 % Potassium iodide solution and 5 mL of acetic acid. 6) Stir the solution gently, then seal the flask, an...

... to JIS K 2605-1996, the degree of unsaturation (bromine number) of cyclohexene is measured by titration with the 0.25mo...
...tial change due to free iodine in titration. The bromine number is calculated from the titration volume of the solution ...
...e and potassium bromate Solvent Acetic acid, Toluene, Methanol, Sulfuric acid (1+5) ―Titration curve― ―M...

...n, dissolve an appropriate amount of sample in a sulfuric acid solution and iron (Fe2+) concentration is measured by tit...
...re is too much hydrochloric acid, it is necessary to drive out most of the hydrochloric acid by vacuum evaporation and c...
...e solution (Manganese sulphate crystal, Phosphoric acid, Sulfuric acid, pure water) ―Titration curve― ―Mea...

...1.56 0.12 Pyruvic acid 1mL 2.39 1.07 Acetonphenone 10mL 1.60 0.029 2-ketobutyric acid 1g 3.30 0.95 2-f...
... Levulinic acid 10mL 4.05 0.22 2,4-dihydroxy- acetophenone 5g 0.82 0.021 3-benzoyl-propionic acid 5g 0.46 ...
...-aminoaceto- phenone 10mL 4.46 0.13 1,2-cyclohexoic acid 1g 3.00 0.90 　　 　　Please feel free to contac...

...Application Memo POV of Safflower Oil Industry Fat and oil Instrument Automatic potentiometric titrator Measurem...
...the Analysis of Fats, Oils and Related Materials The degree of oxidization of fat and oil or food containing th...
... amount of hydroperoxide formed by oxidization of fats and oils by ambient oxygen. After solving the sample in the solve...

...with 0.1mol/L ethylenediaminetetraacetic acid･2Na (EDTA), using salicylic acid as an indicator. An inflection point on...
...nt : 0.1 mol/L EDTA solution Indicator : 2% salicylic acid ethanol solution Addition reagent : potassium peroxod...
... 2) Add 100 mL of pure water and 1 mL of 2% salicylic acid ethanol solution. 3) Titrate with 0.1 mol/L EDTA solu...

...Application Memo Peroxide Number of Kerosene Industry Petrochemicals Instrument Automatic potentiometric titrator...
...e maximum inflexion on the titration curve. The peroxide number is calculated from the titration volume of the sodium th...
...t 0.01mol/L sodium thiosulfate solution Solvent Acetic acid and 2,2,4 trimethylpentane Additive Saturated potassium...

...Application Note Moisture of Folic Acid Industry : Pharmaceutical Instrument : Karl Fischer Moisture Titrator M...
...acopoeia it is stipulated that the water content of folic acid should be measured by Karl Fischer's coulometric titratio...
...duce an example in which the water concentration of folic acid is measured by the coulometric titration method. ...

...Application Memo Determination of Sulfanilic Acid Industry Organic chemical industry Instrument Automatic potenti...
... Standards The test sample after hydrochloric acidified is dissolved with potassium bromide, and titrated wi...
...um inflexion point on the titration curve. The sulfanilic acid concentration is calculated from the titration volume of ...

...Application Note Mercaptan sulfur of petroleum products Industry : Petroleum Instrument : Automatic potentiometri...
...ermit ＜Ctrl. Para.＞ ＜Titr. Form＞ : EP Stop Number of EP : 1 End Sense : Auto ＜Titr. Para.＞ ...

...pplication of one-component inner burette - Industry Petroleum Instrument Karl Fischer moisture titrator Measuremen...
... amount of unsaturated bonds in petroleum product components. It is defined as the number of milligrams of bromine consu...
...te A solution consisting of a mixture of 600 mL of acetic acid, 260 mL of methanol, and 140 mL of 1 mol / L potassium ...

...easurement is performed using organic solvents and strong acids. When you follow this application note, wear masks, glov...
...cial acetic acid Additive reagents 150 g/L Potassium iodide solution 1) 50 mL of glacial acetic acid and 1 mL o...
...f hydrochloric acid (35 wt%) are added to a 100mL Erlenmeyer flask with a stopper and cooled at 0 to 5 °C for 10 minute...

...Application Memo Acid Value of Perfume Industry Cosmetics & soap Instrument Automatic potentiometric titrator Me...
... After adding ethanol and the indicator to the sample, acid value is measured by titration with 0.1mol/L potassium hy...
...oint is the maximum inflexion on the titration curve. The acid value is calculated from the titration volume of the titr...

... After the sample is dissolved in the nitric acid and hydrofluoride acid, add pure water, ammonium citrate, and ammoni...
...(III)) solution Solvent Pure water, Nitric acid (1+1)，Hydrofluoride acid, Ammonia water，Ammonium citrate ...

...rds After adding the dyestuff sample in formic acid and 1,4-dioxane to dissolve and stirring it, add 0.1mol/L...
...ol/L solution of mercury acetate (II) dissolved in acetic acid. The endpoint is the maximum inflexion on the titration c...
...on of mercury acetate (II) dissolved in acetic acid Additive Formic acid, 1,4-dioxane Reagent 0.1mol/L sodium chlori...

...ric conductivity cell Titrant 0.02 mol/L Sulfuric acid aqueous solution Additive reagent 0.1 mol/L Sodium hy...
... aqueous solution. 4) Titrate with 0.02 mol / L sulfuric acid aqueous solution and identify the endpoint as being the p...
...sodium salts that were in turn titrated with the sulfuric acid solution. The observed bends each show an endpoint. The...

...thanol added with Salicylic acid as solvent. Without Salicylic acid added, Pyrogallol is acidified with Iodine and becom...
...KEMAQUA TR-5 KEMAQUA Solvent MET for General Salicylic acid －Measurement results－ Sample name S...
...ontent g Mg % Pyrogallol 0.2502 MET+ Salicylic acid 6.9339 2.77 　　Please feel free to contac...

...Application Memo Concentration of Lactic Acid Industry Food & beverage Instrument Automatic potentiometric titrat...
... Standards Titrated the sample of 2w/w%-lactic acid solution with 0.1mol/L sodium hydroxide up to pH8.3 where...
...s its color. The titration volume was converted to lactic acid to determine concentration. Main unit Automatic ...

...issolve 5 g of silver sulfate in concentrated sulfuric acid to make the total volume 100 mL) 1) Accurately col...
...). 4) Add pure water to make the volume about 60 mL, and boil for 5 minutes. 5) After cooling to room temperature, tit...
.... Mode> Auto Int. EP Number of EP 1 End Sense Auto Gain ...

...Application Memo Concentration of Malic Acid Industry Food & beverage Instrument Automatic potentiometric titrato...
...he 2% malic acid solution is measured by titration with 0.1mol/L sodium hydroxide up to pH8.3. The malic acid concentrat...
...ion is calculated as acidity from the titration volume of sodium hydroxide. Main unit Automatic potentiometric ...

...Application Memo Nitric acid in Pickling Agent Industry Inorganic chemical industry Instrument Automatic potentio...
...lution as a masking reagent to the diluted sample, nitric acid concentration is measured by titration with 1mol/L sodium...
... the maximum inflexion on the titration curve. The nitric acid concentration is calculated from the titration volume of ...

...Application Memo Sulfuric Acid in Pickling Agent Industry Inorganic chemical industry Instrument Automatic potent...
...tion as a masking reagent to the diluted sample, sulfuric acid concentration is measured by titration with 1mol/L sodium...
...he maximum inflexion on the titration curve. The sulfuric acid concentration is calculated from the titration volume of ...

... index indicates the number of unsaturated bonds in a sample component. It is defined as the number of milligrams of bro...
...tion is titrated into a sample solution containing strong acid, and the bromine released is added to the double carbon-c...
... Materials; 714 mL of glacial acetic acid, 134 mL of 1-Methyl-2- Pyrrolidinon...

... adding bismuth nitrate and 1,4 dioxane to glacial acetic acid which dissolved the sample, ambrochisol hydrochloride con...
... Titrant 0.1mol/L perchloric acid (Acetic acid solution) Solvent Glacial acetic acid, 1,4 dioxane Additive Bismut...

...Application Memo Quantitative Determination of Sulfuric Acid Ion in Plating Solution Industry Inorganic chemical in...
...dation-reduction titration Standards Sulfuric acid ion of the diluted sample is measured by titration with 1...
...st maximum inflexion on the titration curve. The sulfuric acid ion is calculated from the titration volume of the sodium...

...Application Memo Boric Acid in Luster Nickel Plating Solution Industry Inorganic chemical industry Instrument Aut...
...de solution, pure water and mannitol to the sample, boric acid concentration is measured by titration with 0.1mol/L sodi...
...s the maximum inflexion on the titration curve. The boric acid concentration is calculated from two data of titration vo...

... Titrant：0.002nmol/L Dodecylbenzenesulfonic acid sodium Solvent：Pure water 1) Take 0.5 g of the ...
...sample solution with 0.002mol/L of Dodecylbenzenesulfonic acid sodium, and detect inflection point as end-point in titra...
...ermit ＜Ctrl. Para.＞ ＜Titr. Form＞ : EP Stop Number of EP : 1 End Sense : Set ＜Titr. Para.＞ d...

...Application Note Measuring the acidity of fruit beverages using a multiple sample changer Industry 　　Food & be...
...tain citric acid, malic acid, and other organic acids. The acidity indicates the amount of these organic acids. In fruit...
... beverages, the ratio of acidity to sugar content has a significant effect on the preference and flavor. Accordingly, it...

...Application Memo Total Free Acid in Plating Solution Industry Inorganic chemical industry Instrument Automatic po...
...assium oxalate solution to the diluted sample, total free acid concentration is measured by titration with 1mol/L sodium...
... maximum inflexion on the titration curve. The total free acid concentration is calculated from the titration volume of ...

...urate measurements impossible. In this case, add sulfuric acid (1 + 19) to lower the pH to below 10. To prevent t...
... Additional reagent : Hydrogen peroxide (30%), Sulfuric acid (1+19) 　 1) Place exactly 50 mL of the sample in ...
... the mixture and let stand for 1 minute. 3) Add sulfuric acid (1 + 19) to lower the pH to below 10. 4) Titrate the mix...

...commercially available Dehydrating solvent CE with Acetic acid added. 2NH2OH + 3I2 + SO2 + 2CH3OH ? 6HI + 2HSO4CH3 ...
...nt ： Dehydrating solvent CE (made by Hayashi) Acetic acid －Measurement results－ Sample Sample size (g) ...
...cetic acid 17.74 49.56 Hydroxyl ammonium chloride 0.0926 50mL of Dehydrating solvent CE + 10mL of Acetic acid 4.04...

... sample is measured by titration with 1mol/L hydrochloric acid solution. The endpoint is the maximum inflexion on the ti...
... calculated from the titration volume of the hydrochloric acid solution. Main unit Automatic potentiometric t...
...ompensation electrode Titrant 1mol/L hydrochloric acid solution -Titration curve- -Measurement results- ...

...ample is measured by titration with 0.1mol/L hydrochloric acid. The endpoint is the preset potential on the titration cu...
... calculated from the titration volume of the hydrochloric acid. Main unit Automatic potentiometric titrator (pr...
...pensation electrode Titrant 0.1mol/L hydrochloric acid Solvent Water ―Measurement results― Sam...

... potentiometrically titrated with 0.01 mol/L hydrochloric acid. The point at pH 5.70 is regarded as the endpoint. The al...
... the sample is calculated from the volume of hydrochloric acid consumed to titrate the sample to the endpoint. Ma...
...chloride solution) Titrant 0.01 mol/L hydrochloric acid Solvent Pure water ―Titration curve― ―Meas...

...n (f = 1.00) Solvent Pure water Perchloric acid (60%), Hydrochloric acid (1+1), Ammonia water, Ethanol, Triethanolam...
...ole) -3-naphthoic acid and 50g potassium sulfate are mixed and crushed evenly, stored in an umber bottle ―T...

...de, Phenolate and Sodium Carbonate in Liqour for Recovery Boiler Industry Environmental Instrument Automatic poten...
...ample is measured by titration with 0.1mol/L hydrochloric acid solution. The endpoints are the maximum inflexions on the...
...carbonate concentrations are calculated from hydrochloric acid titration volumes' data at three endpoints. Main u...

...d and is titrated with 0.04mol/L n-dodecylbenzenesulfonic acid sodium using PCD-500. The endpoint is the maximum inflexi...
... and the titration volume of the n-dodecylbenzenesulfonic acid sodium. Main unit Automatic potentiometric titra...
...D-500) Titrant 0.04mol/L n-Dodecylbenzenesulfonic acid sodium Solvent Pure water ...

...dard Substance Sodium oxalate* Reagent Added Sulfuric acid + ion exchanged water (1 + 1) * Heat to 200 °C ...
... 2) Add 200 mL of pure water, then add 20 mL of sulfuric acid (1 + 1) and heat to 70 °C. 3) While stirring the mixtur...
...ode> Auto Int. EP Stop Number of EP 1 End Sense Auto Gain ...

...with nitrous acid and quantify it by generating diazonium salt. After adding concentrated hydrochloric acid to the sampl...
... Solvent Pure water Additive Concentrate hydrochloric acid ―Titration curve― ―Measurement results― ...

...then diluted it with pure water up to 500 mL. ? Sulfuric acid ? 10 g/L starch solution (used for manual analysis) ...
... is supernatant, remove the stopper. Add 1 mL of sulfuric acid, and then reseal the bottle. 6) Invert the bottle seve...
...termit ＜Ctrl. Para.＞ ＜Titr. Form＞ EP Stop Number of EP 1 End Sense Auto ＜Titr. Para.＞ Ga...

...mercially available Dehydrating solvent ML with Salicylic acid added and measured for water content without any difficul...
... ： Dehydrating solvent MI (made by Hayashi) Salicylic acid －Measurement results－ Sample Sample size (g) ...
...e 1.03 50mL of Dehydrating solvent ML + 3g of Salicylic acid 0.67 0.07 　　 　　Please feel free to contact ...

...Application Memo Acidity And Salinity (1st Method: Acidity) Industry Food & beverage Instrument Automatic potenti...
...performed by the combined titration. Mixture of 2% citirc acid and 5% NaCl was titrated to determine acdity and salinity...
...lume of 0.1mol/L sodium hydroxide was converted to citric acid, and salinity was determined by 2nd method to convert 0.1...

...Application Memo Water Content of Oil with Thiol Industry : Petrochemicals Instrument : Karl Fischer Moistu...
...ing to JIS K-2275-1996 for measurement of water content in oil with thiol. Main unit ： Karl Fischer moisture...
...) (Riedel de Haen) Solvent ： Extracting medium CM(for oils) (Hayashi Chemicals) Additive ： Hydranal buffer (Rd...

...Application Memo Copper Ion (Cu2+) in Sulfuric Acid (20g/L) Industry Inorganic chemical industry Instrument Autom...
... Here we demonstrate quantification of copper in sulfuric acid by potentiometric redox titration. First, add pure water ...

...Application Memo Acidity and Salinity (2nd Method: Salinity ) Industry Food & beverage Instrument Automatic poten...
...ture of 2% citric acid and 5% NaCl and measured acidity by 1st method and salinity by 2nd method. Acidity was obtained b...
...t titration volume of 0.1mol/L sodium hydroxide to citric acid while salinity was obtained by converting the titrated vo...

...Application Memo Water Content of Nitrogen Compound (2)[Acid Amides] Industry Petrochemicals Instrument Karl Fisc...
... content of acid amides according to JIS K 0113-2005 as quoted below. Among nitrogen compounds, most of acid amides are ...

...lysis of cements. After dissolving the sample in nitric acid and adding s chloride ion reference solution to raise sen...
...r nitrate solution Solvent Pure water Additive Nitric acid (SG：1.38), Hydrogen peroxide (30% approx.) 0.005mol/L ...
...eference liquid (Sodium chloride solution) 2mol/L nitric acid solution (for blank test) ―Titration curve― ...

...ing a same titrant. First, known concentration L ascorbic acid is titrated with the indophenol solution. The factor of t...
... is calculated from its titration volume. Then add acetic acid to the diluted lemon tea sample and titrate it with same ...
... in pure water, made into total 1000mL) Additive Acetic acid (special grade) ―Titration curve― ―Measurem...

...Application Memo Water Content in Crystalline Acids Industry Inorganic chemical industry Instrument Karl Fischer ...
...tent in crystalline acids by direct method of KF titration according to JIS K 0113. Carboxylic acids like cyclic or cha...
...in structured are crystalline acids. Most of them are soluble in the solvent and easy to measure water content. ...

...Application Memo Hydrochloric Acid in Acidic Cleaning Agent Industry Inorganic chemical industry Instrument Autom...
...aximum inflexion on the titration curve. The hydrochloric acid concentration is calculated from the titration volume of ...

...n is measured as follows: First, add hydrochloric acid and nitric acid to the sample liquid, and heat it until the yello...
...cyanate Solvent Pure water Additive HCl(36%)，Nitric acid(60%)，10% Ferric(II)ammonium sulfate ―Titration...

...ing a same titrant. First, known concentration L ascorbic acid is titrated with the indophenol solution. The factor of t...
... is calculated from its titration volume. Then add acetic acid to the diluted lemon tea sample and titrate it with same ...
... in pure water, made into total 1000mL) Additive Acetic acid (special grade) ―Titration curve― ―Measurem...

...using mixture of commercially sold KET solvent and acetic acid. The samples we have tested this time are as follows:...
... KEMAQUA KET (for ketone) (Kyoto Electronics) , Acetic acid ―Measurement results― Sample name Water content ...

...using mixture of commercially sold KET solvent and acetic acid. The samples we have tested this time are as follows: P...
...： KEMAQUA KET (for ketone) (Kyoto Electronics) Acetic acid －Measurement results－ Sample name Water conte...

...ion Memo Peroxide Value (POV) of Kerosene Industry Petroleum Instrument Automatic potentiometric titrator Measur...
... thiosulfate Solvent 2,2,4 trimethyl pentane and acetic acid (2+3) Additive Saturated potassium iodide Inactive gas...

... the test sample, which is first added with 1mol/L nitric acid, ethanol, 0.2mol/L sodium hydroxide and water, and then t...
...ver nitrate Solvent Pure water Additive 1mol/L nitric acid solution, 0.2mol/L sodium hydroxide, Ethanol ―Ti...

...ed as follows: Prepare pure water and 6mol/L hydrochloric acid in a beaker. Further add potassium sodium tartrate to dis...
...ne (f = 1.008) Solvent Pure water，6mol/L hydrochloric acid Potassium sodium tartrate，Sodium hydrogen carbonate ...

...JIS K 0102-2019 -17, the sulfate acid sample is reacted with potassium permanganate boiled at 100 degree for 30 minutes,...
...mmo1/L potassium permanganate solution Solvent Sulfuric acid（1+2）,20w/v% silver nitrate, 12.5mmol/L sodium oxalate...

... PPC Carsein indicator Additive Perchloric acid (60%), Hydrochloric acid (1+1), Triethanolamine (1+1), 3mol/L potass...

...st added with pure water to dissolve, and with phosphoric acid and 0.1mol/L ammonium ferric sulfate. Then, the sample is...
...r Additive 0.1mol/L ammonium ferric sulfate, Phosphoric acid ―Titration curve― ―Measurement results― ...

...or Total Salinity of Concrete. After 2mol/L nitric acid and 30% hydrogen peroxide solution are added to the sampl...
...te solution Solvent Pure water Additive 2mol/L nitric acid, 30% hydrogen peroxide, ―Titration curve― ―...

...ol/L iodine is left for 5 minutes, and after hydrochloric acid (2+1) is added, titrated with 0.1mol/L sodium thiosulfate...
...olution Reagent 0.05mol/L Iodine solution, Hydrochloric acid (2+1) ―Titration curve― ―Measurement result...

...lcium ion from the sample by adding 0.5mol/L hydrochloric acid. Add 8mol/L potassium hydroxide to adjust pH. Titrate the...
...ure water Indicator NN Additive 0.5mol/L hydrochloric acid, 8mol/L potassium hydroxide -Titration curve- -Me...

...onium fluoride, potassium iodide and 3mol/L (6N) sulfuric acid. The endpoint is the maximum inflexion on the titration c...
...Ammonium fluoride, Potassium iodide, 3mol/L (6N) sulfuric acid ―Titration curve― ―Measurement results― ...

...ed by titration with 0.1mol/L silver nitrate after nitric acid is added to the sample. Titration goes up to the endpoint...
...r nitrate solution Solvent Pure water Additive Nitric acid ―Titration curve― ―Measurement results― ...

...th sodium thiosulfate. First, add pure water, 30% acetic acid, 10% ammonium acetate and potassium iodide to sample liqu...
... thiosulfate (f = 1.005) Solvent Pure water, 30% acetic acid, 10% Ammonium acetate, Potassium iodide ―Titrati...

...d as follows. The test sample added with water and nitric acid solution is titrated with 0.01mol/L silver nitrate soluti...
...rant 0.01mol/L silver nitrate solution Additive Nitric acid solution Solvent Pure water ―Titration curve...

...le is added with pure water, ammonia water and 30% scetic acid and 20% potassium iodide. The endpoint is the maximum in...
... Solvent Pure water Additive Ammonia water, 30% acetic acid, 20% potassium iodide -Titration curve- -Measurem...

...tassium permanganate after adding pure water and sulfuric acid (1+1) to the sample. The endpoint is the maximum inflex...
...m permanganate (f = 1.006) Solvent Pure water, Sulfuric acid (1+1) ―Titration curve― ―Measurement result...

...alcium oxide in ash, prepare a dissolved sample in nitric acid and add pure water. Add potassium hydroxide to the sample...
... Titrant 0.01mol /L EDTA Additive Pure water, Nitric acid, 8mol/L potassium hydroxide Indicator NN indicator (mix...

... test methods of the above standards. After 2mol/L nitric acid and 30% hydrogen peroxide solution are added to the sampl...
...te solution Solvent Pure water Additive 2mol/L nitric acid, 30% hydrogen peroxide, 0.005mol/L sodium chloride soluti...

...h 0.2mol/L ferrous ammonium sulfate after adding sulfuric acid (1+1) and diphenylamine to the sample. The endpoint is th...
...ammonium sulfate Solvent Pure water Additive Sulfuric acid (1+1), 1% diphenylamine ―Titration curve― ―...

...ample is added with 0.005mol/L sodium chloride and nitric acid solution, and then titrated with 0.005mol/L silver nitrat...
...te solution Additive 0.005mol/L sodium chloride, Nitric acid solution ―Titration curve― ―Measurement res...

...r the sample is added with pure water and 6mol/L sulfuric acid, dissolving by heating. The endpoint is the maximum infle...
...manganate Solvent Pure water Additive 6mol/L sulfuric acid ―Titration curve― ―Measurement results― ...

...romic anhydride) is measured as follows. Add hydrochloric acid and potassium iodide to the aliquot of chromium oxide fir...
... thiosulfate Solvent Pure water Additive Hydrochloric acid, Potassium iodide ―Titration curve― -Measur...

... Add potassium iodide to the sample which is acidified by hydrochloric acid, and leave it in a dark room to separate fre...
... thiosulfate Solvent Pure water Additive Hydrochloric acid (2+1), Potassium iodide ―Titration curve― ―...

...odium thiosulfate solution, potassium iodide and sulfuric acid to the sample liquid, and leaving the mixture in a dark r...
... Pure water Additive Potassium iodide, 3mol/L sulfuric acid ―Titration curve― ―Measurement results― ...

... used in volumetric analysis is expressed precisely by a number of numeric with and without fraction, of which coefficie...
...rmanganate Reference Sodium oxalate Additive Sulfuric acid (1+1) ―Titration curve― ―Measurement result...

...g/L trace chlorine ion (Cl-). After adding diluted nitric acid to the 100mL chlorine ion solution, titrate with the 0.01...
...rant 0.01mol/L silver nitrate solution Additive Nitric acid (1+65) ―Titration curve― ―Measurement resul...

...ox titration Standards Add excessive sulfuric acid and potassium iodide to the sample to separate free iodin...
...Solvent Pure water Additive Potassium iodide, sulfuric acid (1+5) ―Titration curve― ―Measurement result...

...andards Titrate known concentration L-ascorbic acid as a sample with indophenol solution. The factor of indop...
...l dissolved in 1000mL pure water) Reference L-ascorbic acid ―Titration curve― ―Measurement results― ...

...e is added with the 0.005mol/L sodium chloride and nitric acid solution, and then titrated with the 0.1mol/L silver nitr...
...te solution Additive 0.005mol/L sodium chloride Nitric acid solution ―Titration curve― ―Measurement res...

...sulfate after the sample is added with pure water, nitric acid and potassium iodide left in a dark room. The endpoint is...
...0.01mo1/L sodium thiosulfate Solvent Pure water, Nitric acid, 10% potassium iodide ―Titration curve― ―Me...

... When potassium iodide is added to diluted acetic acid of Cu2+, CuI precipitates where free iodine is obtained. ...
...iosulfate solution Solvent Pure water Additive Acetic acid, 10% ammonium acetate, Potassium iodide (powder) ...

... water, diluted sulfuric acid, silver nitrate and potassium permanganate to the sample, and boil. After cooling the samp...
...nganate solution Solvent Pure water Additive Sulfuric acid (1+2), Silver nitrate (500g/L), 0.0125mmol/L sodium oxala...

... The test sample is added with dilute sulfuric acid and ferroin indicator, and titrated with 0.1mol/L diammon...
...m ferric sulfate Solvent Pure water Additive Sulfuric acid, Ferroin indicator ―Titration curve― ―Measu...

...tration. First, the sample is added with water and nitric acid solution, and then titrated with 0.1mol/L silver nitrate ...
...trant 0.1mol/L silver nitrate solution Additive Nitric acid solution ―Titration curve― ―Measurement res...

...tion Standards After adding 2% sulfosalicylic acid and distilled water to the sample, iron (II) ion is measu...
...A) solution Solvent Distilled water，2% sulfosalicylic acid ―Titration curve― ―Measurement results― ...

...Japanese pharmacopoeia After adding hydrochloric acid, pure water and potassium bromide to the sample, aromatic...
...dium nitrite Solvent Pure water Additive Hydrochloric acid, 30% potassium bromide ―Titration curve― ―M...

...ion titration Standards After adding Sulfuric acid to the diluted sample, it is titrated with the 0.1mol/L s...
...rant 0.1mol/L silver nitrate solution Solvent Sulfuric acid (3.5mol/L) -Titration curve- ―3 times measurem...

...ted sample, slowly boil it and cool. After adding pure water, ammonium fluoride, 3mol/L sulfuric acid and potassium iodi...
... 20% sodium hydroxide, Hydrogen peroxide, 3mol/L sulfuric acid (6N) Ammonium fluoride, Potassium iodide -Titrati...

... 1. After adding potassium iodide and 1mol/L sulfuric acid to the sample solution, sodium hypochlorite concentration...
...ate solution Additive Potassium iodide, 1mol/L sulfuric acid -Titration curve- -Measurement results- Averag...

... Photometric titration After adding sulfosalicylic acid to the diluted sample, add sodium acetate solution to the...
...itanium in the sample. After adding 0.01mol/L EDTA again, boiling and cooling, add ammonium acetate solution up to pH5.5...
... 0.01mol/L EDTA, Sodium acetate solution, Sulfosalicylic acid, Ammonium acetate solution Indicator Xylenol orange ...

... ammonium fluoride, potassium iodide, and 3mol/L sulfuric acid to the diluted sample, it is titrated with 0.1mol/L sodiu...
...ve: Ammonium fluoride, Potassium iodide, 3mol/L sulfuric acid (6N) -Titration curve- -Measurement results- ...

...ng pure water to the mashed sample, it is stirred. Nitric acid is added to the filtered sample liquid, it is titrated wi...
...r nitrate solution Solvent Pure water Additive Nitric acid ―Measurement results― Sample size Titer ...

...after the test sample is added with pure water and nitric acid. The endpoint is the maximum inflexion on titration curve...
... nitrate solution (f = 1.00) Solvent Pure water, Nitric acid solution ―Titration curve― ―Measurement res...

...and phenolphthalein solution, neutralize by adding nitric acid until the color of phenolphthalein disappears. Total chlo...
...peroxide, 1% phenolphthalein solution，0.1mol/L nitric acid ―Titration curve― ―Measurement results― ...

... After adding 10% potassium iodine, hydrochloric acid (1+3) and distilled water to the sample, available chlori...
...ent Distilled water，10% potassium iodine, Hydrochloric acid (1+3) ―Titration curve― ―Measurement result...

...Application Memo Acidity of Beer Industry Food & beverage Instrument Automatic potentiometric titrator Measureme...
...e the sample after boiling and cool down. Lactic acid concentration in the sample is measured as acidity by titration wi...
...th 0.1mol/L sodium hydroxide up to pH8.2. The lactic acid concentration is calculated from the titration volume of the s...

...Application Memo Acidity of Worcester Sauce Industry Food & beverage Instrument Automatic potentiometric titrator...
...ization titration Standards Acetic acid concentration as acidity of the diluted sample is measured by titrat...
...on with 0.1mol/L sodium hydroxide up to pH8.3. The acetic acid concentration is calculated from the titration volume of ...

...agent, 10% potassium iodide solution, and 3mol/L sulfuric acid to the diluted sample, copper concentration is measured b...
...t reagent, 10% potassium iodide solution, 3mol/L sulfuric acid -Titration curve- -Measurement results- Conc...

... solution is examined. After adding concentrated sulfuric acid to the diluted sample and cooling, it is titrated with 0....
...um permanganate solution Additive Concentrated sulfuric acid -Titration curve- ―Measurement results― ...

... After adding 12% potassium nitrate to 95% sulfuric acid, it is titrated with 0.6mol/L ferrous sulfate with coolin...
...Solvent Additive 0.6mol/L ferrous sulfate 95% sulfuric acid 12% potassium nitrate ―Titration curve― ...

...ermit ＜Ctrl. Para.＞ ＜Titr. Form＞ : EP Stop Number of EP : 1 End Sense : Auto ＜Titr. Para.＞ ...
...ermit ＜Ctrl. Para.＞ ＜Titr. Form＞ : EP Stop Number of EP : 2 End Sense : Auto ＜Titr. Para.＞ ...

... Burette No. 1 Number of EP 1 Max. Volume 40 (mL) End Sense Auto Chan...
...eversible under acidic conditions, owing to the generation of the strong reducing agent, Hydroiodic acid (HI). Consequen...

...ed by the hydrolysis of natural fats and oils, and by the synthesis of petroleum ingredients. It is used in a variety of...
...tration Mode> Auto Intermit Number of EP 1 EP Stop End Sense Auto ...

...helatometric titration with an ethylenediaminetetraacetic acid (EDTA) solution as the titration solution. The nickel chl...
... Auto Int. Level Stop Number of EP 1 End Sense Standard Ga...

...treatment are titrated with ethylene diamine tetra-acetic acid disodium salt (EDTA-2Na) solution to determine the copper...
...e> Auto Int. EP Stop Number of EP 1 End Sense Auto Gain ...

...rds After adding 10% potassium iodide and acetic acid to the sample including Cu2+, it is titrated with 0.1 mol...
...hiosulfate solution Water 10% potassium iodide, Acetic acid ―Titration curve― ―Measurement results―...

...Application Memo Acidity of Black Beer Industry Food & beverage Instrument Automatic potentiometric titrator Mea...
...e the sample after boiling and cool down. Lactic acid concentration in the sample is measured as acidity by titration wi...
...th 0.1mol/L sodium hydroxide up to the pH8.2. The lactic acid concentration is calculated from the titration volume of t...

...orophosphate reacts with moisture to produce hydrofluoric acid. If moisture is present in the electrolyte, its deterior...
...this case, methanol-free reagent were used, since methanol-based reagent would cause interference due to side reactions....
...der of 0.1 mg. After the measurement, hydrofluoric acid generated by the hydrolysis of lithium hexafluorophosphat...

...ion Standards After adding acetone and nitric acid to the sample of low concentration sodium chloride soluti...
...nt 0.0004mol/L AgNO3 Solvent Acetone Additive Nitric acid ―Titration curve― ―Measurement results― ...

...ol / L ammonium iron (III) sulfate and 1 mol / L sulfuric acid solution to the sample including Cu+, it is titrated with...
... 0.4 mol/L ammonium iron sulfate (Ⅲ) 1 mol/L sulfuric acid solution ―Titration curve― ―Measurement res...

...s specified by potentiometric titration with hydrochloric acid according to the JIS K 1200-2 Appendix 2. Two endpoints ...
...ompensation electrode Titrant 1mol/L hydrochloric acid Solvent Water (Ion exchanged or distilled water) ...

...after the test sample is added with pure water and nitric acid. The endpoint is the maximum inflexion on the titration c...
...l/L silver nitrate solution Additive Pure water, Nitric acid solution ―Titration curve― ―Measurement res...

...ethods of reagents". Adding potassium iodate and sulfuric acid to the diluted potassium iodate releases iodine. The prep...
...ver nitrate solution Solvent Potassium iodate, Sulfuric acid (1+1), Potassium iodide -Titration curve- -Mea...

...id for soldering is measured as follows: Add 10% sulfuric acid to the sample and filter to separate contained tin. Add 1...
...m chloride (f = 0.999) Solvent Pure water 10% sulfuric acid, 10% Rochelle salt solution, 0.01mo1/L EDTA Ammonium chl...

...ation titration Standards After adding nitric acid and water to the sample, salt is measured by titration wi...
...dditive 0.1mol/L silver nitrate solution Water Nitric acid (1.38) ―Titration curve― ―Measurement resul...

...Application Memo Acidity of Chicken Stock Industry Food & beverage Instrument Automatic potentiometric titrator ...
...thod Neutralization titration Acetic acid concentration as acidity of the diluted sample is measured by titrat...
...on with 0.1mol/L sodium hydroxide up to pH8.3. The acetic acid concentration is calculated from the titration volume of ...

...rds After adding distilled water, 30% sulfuric acid and potassium iodine to the sample, and leaving in a cool...
...dium thiosulfate solution Distilled water 30% sulfuric acid, Potassium iodine ―Titration curve― ―Meas...

... After adding distilled water and 30% sulfuric acid to the sample, reducing power is measured by titration wi...
...0.05mol/L iodine solution Distilled water 30% sulfuric acid ―Titration curve― ―Measurement results―...

...andards After adding Methanol and 15% sulfuric acid to the prepared sample, it is titrated with 0.1mol/L pota...
...ol/L sodium thiosulfate solution Methanol 15% sulfuric acid, 10% potassium iodide ―Titration curve― ―...

...rds After adding distilled water, 30% sulfuric acid and potassium iodine to the sample, and leaving in a cool...
...dium thiosulfate solution Distilled water 30% sulfuric acid, Potassium iodine ―Titration curve― ―Meas...

...titration Standards After adding 50% sulfuric acid to the diluted sample, hydrogen peroxide concentration is...
...ol/L cerium(Ⅳ) sulfate solution Additive 50% sulfuric acid -Titration curve- -Measurement results- ...

...dding distilled water, potassium iodine, 10% hydrochloric acid and 0.05mol/L iodine solution to the sample, and leaving ...
...tion Distilled water Potassium iodine, 10% hydrochloric acid, 0.05mol/L iodine solution ―Titration curve―...

...ds After adding Methoxy-2-propanone and nitric acid to the sample, chloride ion concentration is measured by ...
...nt 0.01mol/L AgNO3 Solvent Methoxy-2-propanone, Nitric acid ―Measurement results― Sample size Titer ...

...ation in the precipitate dissolved in concentrated nitric acid and water is measured by titration with 0.1mol/L ammonium...
...or 15%(w/v) sodium sulfide solution, Concentrated nitric acid -Titration curve- -Measurement results- Samp...

...th pure water and adjusting pH with 0.1mol/L hydrochloric acid, and then by potentiometrically titrating with the 0.02mo...

...itration Annolyte ： Hydranal Coulomat AG-H (for oil) (Riedel de Haen) Catholyte ： Hydranal Coulomat CG (...

... used in volumetric analysis is expressed precisely by a number of numeric with and without fraction, of which coefficie...

...e Refractive index of hydrocarbon Liquids Industry Petroleum Instrument Refractometer Measurement method Detect...

... Burette No. 1 Number of EP 1 Max. Volume 15 (mL) End Sense Set Channel/...

... substance used in volumetric analysis is expressed by a number of numeric with and without fraction, of which coefficie...

... ＜Titr.Mode＞ :Intermit ＜Ctrl.Para＞ Number of EP ：1 ＜Titr.Form＞ :EP　Stop End Sense ：...

... ＜Titr.Mode＞ :Intermit ＜Ctrl.Para＞ Number of EP ：1 ＜Titr.Form＞ :EP　Stop End Sense ：...

... ＜Titr.Mode＞ :Intermit ＜Ctrl.Para＞ Number of EP ：1 ＜Titr.Form＞ :EP　Stop End Sense ：...

...ol/L SDS Solvent 1% TritonX-100, 0.01mol/L hydrochloric acid ―Titration curve― ―Measurement results― ...

...e dependence of melt viscosity of candle Industry : Petroleum, Energy Instrument : Viscometer Measurement method ...

...pendence of viscosity of ethylene glycol Industry : Petroleum, Energy Instrument : Viscometer Measurement method ...
... measured stably within R.S.D.3% even in the vicinity of boiling point (197.3℃). For your information, it takes a...

...hange capacity of a strongly acidic hydrogen ion type cation exchange resin. A strongly acidic hydrogen ion type cation ...
... Auto Int. Level Stop Number of EP 1 End Sense Auto Gain ...

... Auto Int. : Level Stop Number of EP : 1 End Sense : Auto Gain...

... Auto Int. Level Stop Number of EP 1 End Sense Auto Gain ...

...the sample tablet and add pure water and 10% hydrochloric acid. Warm the liquid in bath at 80℃, and cool. Then, filter...

...itrant 0.lmo1/L silver nitrate solution Solvent Nitric acid (1+1) 0 -Titration curve- -Measurement results- ...

... ＜Titr.Mode＞ :Intermit ＜Ctrl.Para＞ Number of EP ：1 ＜Titr.Form＞ :EP　Stop End Sense ：...

...r = 1L) Additive 1% TritonX-100, 0.01mol/L hydrochloric acid ―Titration curve― ―Measurement results― ...

...ricyan-ferrocyanide test solution 0.03mol/L hydrochloric acid -Titration curve- -Measurement results- ...

...sity of alcohol aqueous solution Industry : Energy, Petroleum Instrument : Viscometer Measurement method : Electr...

...tetraphenylboron solution Additive Diluted hydrochloric acid (1+2) -Titration curve- -Measurement results- ...

... ＜Titr.Mode＞ :Intermit ＜Ctrl.Para＞ Number of EP ：1 ＜Titr.Form＞ :EP　Stop End Sense ：...

... ＜Titr.Mode＞ :Intermit ＜Ctrl.Para＞ Number of EP ：1 ＜Titr.Form＞ :EP　Stop End Sense ：...

... Solvent 2-propanol, Methanol, Toluene Additive Nitric acid, 0.02mol/L silver nitrate solution ―Titration cu...

...2 Direct (General) method. The sample, first hydrochloric acidified, is dissolved with potassium bromide, and is titrate...
...5mol/L sodium nitrite Additive Pure water, Hydrochloric acid (1+1), Potassium bromide ―Titration curve― ...

...ulfanilamide (Regent). The test sample after hydrochloric acidified is dissolved with potassium bromide and titrated wit...
...odium nitrite Solvent Pure water Reagent Hydrochloric acid, Potassium bromide ―Titration curve― ―Measu...

...nt Solvent KEMAQUA titrant TR-5 KEMAQUA solvent FAT for oil and fats ―Measurement results― Sample name Sam...

...0nm) Titrant 0.05mol/L ethylenediaminetetraacetic acid (EDTA) solution Indicator Murexide (MX) indicator: MX 0...

... Titrant 0.01mol/L sodium ethylenediaminetetraacetic acid (EDTA) solution Indicator Eriochrome Black T Additive...

... 0.05mol/L（0.1N）Iodine Additive 6mol/L hydrochloric acid, Potassium sodium tartrate tetrahydrate, Sodium hydrogen...

... Titrant 0.05mol/L iodine Solvent 6mol/L hydrochloric acid Potassium sodium tartrate (1g/6mL H2O) Sodium hydrogen ...

... The sample is dissolved in the water and hydrochloric acid. After adding water and triethanolamine (1+1) to the prep...

... The sample is dissolved in the water and hydrochloric acid. After adding water and triethanolamine (1+1) to the prep...

...omatic Piston Burette Titrant 1mol/L hydrochloric acid, 0.1mol/L HCl solution Solvent Water (Ion exchanged wat...

...ol/L (0.1N) iodine (f = 1.008) Solvent 50% hydrochloric acid, Sodium hydrogen carbonate ―Titration curve― ...

...sium permanganate solution and dilute sulfuric acid to the sample and boil it. After cooling, prepare the sample by addi...

... ＜Titr.Mode＞ :Intermit ＜Ctrl.Para＞ Number of EP ：1 ＜Titr.Form＞ :EP　Stop End Sense ：...

... ＜Titr.Mode＞ :Intermit ＜Ctrl.Para＞ Number of EP ：1 ＜Titr.Form＞ :EP　Stop End Sense ：...

... ＜Titr.Mode＞ :Intermit ＜Ctrl.Para＞ Number of EP ：1 ＜Titr.Form＞ :EP　Stop End Sense ：...

...2 Direct (General) method. The sample, first hydrochloric acidified is dissolved with potassium bromide, and is titrated...
... Titrant 0.5mol/L sodium nitrite Solvent Hydrochloric acid, Potassium bromide ―Titration curve― ―Measu...

... = 1.006) Solvent Pure water，Potassium iodide, Acetic acid (1+1) ―Titration curve― ―Measurement result...

...nzylmethyl- ketone 10mL 2.00 0.038 2-acetyl benzoic acid 10g 1.82 0.079 Benzylacetone 10mL 9.98 0.64 2-b...

... concentration. This is because samples contain acids such as citric acid and sugars such as glucose as soluble solids o...

...odine Solvent Pure water Additive 6mol/L-hydrochloric acid Potassium sodium tartrate Sodium hydrogen carbonate ...

...Application Memo Acidity of Yogurt Industry Food & beverage Instrument Automatic potentiometric titrator Measure...
...s Based on "Yogurt-Determination of titratable acidity -Potentiometric method ISO11869:1997(E)", the titratio...
... sodium hydroxide up to pH8.3 was converted to the lactic acid concentration. Main unit Automatic potentiometri...

...nm) Titrant 0.05 mol/L ethylenediaminetetraacetic acid (EDTA) Solvent Pure water Additive Ammonium chloride,...

...S K 0113-2005 as quoted below. Quinine oxidizes hydriodic acid bringing side reaction with free iodine. 　 　 O:C?H?...

...in paints, coatings, detergents, pesticides, polymers, and oil cleaners. Moisture is considered as an impurity of hydroc...