Chromatography
F-DGS Lab Hydrogen Generator’s Expanded Capabilities
Jun 07 2011
The use of hydrogen as carrier gas for GC and GC-MS, for operations of fuel cell systems and for filling low-pressure metal hydride canisters for operating mobile systems. Scientific laboratories are experiencing the benefits of choosing hydrogen over helium for carrier gas in chromatography techniques like GC and GC-MS. Hydrogen is faster, more sensitive gas than helium. Because it is less dense it diffuses more rapidly than helium, hydrogen achieves
a higher flow velocity at lower pressures within the GC’s capillary injector column, resulting into faster elution of compounds and faster run time at higher resolution!!
Another advantage is hydrogen can be produced safety and conveniently in the laboratory through the use of a generator. The F-DGS H2 generator saves space and eliminates the risks associated with storing high pressure cylinders, but also the hidden costs associated with piping connections, manometers, ordering, renting, delivering, servicing and maintaining cylinders. Also do not forget the need of special bunker to keep cylinders safe!!
The F-DGS H2 generator produces ultra high purity gas (99,99999%), unlike cylinder gases often vary in purity level: no
guarantee that dirty or rusted cylinders will not contaminate the gas source. The F-DGS Hydrogen generators use the latest polymer electrolyte membrane (PEM) technology to produce high purity hydrogen. The exclusive "No Maintenance" gas column dryer regeneration system eliminates all down time for maintenance that is typical of other systems on the market, guaranteeing the best hydrogen purity at all times.
The exclusive cascading option allows up to 10 units to be connected in series, producing flowrates up to 10 litres! This feature gives the capacity to supply H2 simultaneously to multiple GC and GCMS units. The unit’s small footprint is designed to fit easily on laboratory benchtops. The system’s internal self-diagnostic
features, high visibility lighted display, internal/external leak detection and all the remote control and alarm capabilities increase lab safety and productivity.
The exclusive safety on the market to use H2 as carrier gas: don’t be afraid anymore to use H2 gas as carrier gas: thanks to our H2 sensor controlled by our H2 generator: in case of any leak inside the oven of the GC, the H2 generator will stop to produce. The modular generator design allows it to be used individually or coupled to any one of the Zero air generators to form an all-in-one FID Gas Station solution for GC combustion detector applications. The exclusive high pressure: the Hydrogen generator is able to give an outlet pressure up to 16 bar as an option. This unique feature opens a wide range of new applications like: the operation of fuel cell, as well the filling of low pressure metal hydride canisters for operating portable GC or mobile systems.The low pressure metal hydride canisters achieve high volumetric energy density with low canister pressure. This enables intermediate storage of larger quantities of hydrogen in a very compact form and it is also easy to handle to make analysis on the field.
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