The safest and most convenient alternative
to helium GC Carrier Gas
To ensure reliable GC and GC-MS analytical results, a high quality hydrogen supply is essential. F-DGSi offers the widest range of hydrogen generators, benchtop and rack design, with different purities depending on the sensitivity required for your analyses.
If you want to improve your laboratory hydrogen supply or consider an alternative to helium, contact us today or check out our wide range of hydrogen generators.
Hydrogen generators are a safe and convenient alternative and are generally a more cost-effective solution to the use of high-pressure H2 cylinders. Unlike cylinders, hydrogen generators offer consistent purity for more reliable results, eliminating the risk of contamination when changing cylinders.
Hydrogen is produced using distilled or deionized water < 0.1 μS from hydrolysis, through a polymeric ion exchange membrane.
Electrolytic dissociation separates the water into its two main components: hydrogen ready for analysis, and oxygen that is released into the ambient air.
The hydrogen produced is dried using different technologies, adsorption drying with automatic regeneration on two cartridges, desiccant cartridge drying and Perma-pure drying. Depending on the hydrogen drying technology, the purity of the gas obtained will be different.
The different type of hydrogen purification technology available
PEM – Absorbent Pressure Swing Adsorption Dryer System
Adsorption drying technology works by alternating the flow through two columns filled with molecular sieve. While the hydrogen passes through one column to be dried, a small amount of gas is passed through the second column to regenerate the adsorbent. Regularly, the two columns alternate between purification and regeneration mode, which increases the life of the cartridges so that they do not have to be replaced. This technology provides high purity hydrogen quality with an O2 content < 0.1 ppm and a dew point < -75°C. As an option, it is possible to add a cold palladium catalyst to reduce the oxygen level to < 0.01 ppm and the humidity < 1 ppm.
PEM – Molecular Desiccant Cartridge System
The cartridge drying system removes moisture from the hydrogen gas via a silica bead absorbent. This technology is very common and easy to use. It is sufficient to change the desiccant when it is saturated with water.
PEM – Perma-pure Dryer System
Perma-pure technology dries hydrogen by transferring the molecules from one side of the membrane to the other by kinetic force, leaving the hydrogen gas stream intact and free of moisture. This technology is the most economical but also the one that offers the lowest hydrogen purity.
Model name
Description
Flow Rate
Delivery Pressure
Purity
Application
COSMOS MF.H2
High purity, dynamic regeneration dryer
110 to 1500 cc/min
1 - 11 bar (14 - 160 psi)
>99.99999% O2 <0.1ppm, dew point H2O <-75 °C (-103°F)
GC, GC-MS
COSMOS MD.H2
Standard purity, using a desiccant cartridge
110 to 600 cc/min
1 - 7 bar (14 - 101.5 psi)
>99.9996% O2 <1ppm, dew point H2O <-55 °C (-67°F)
GC, GC-MS
COSMOS MB.H2
Standard purity, static membrane dryer
110 to 600 cc/min
1 - 11 bar (14 - 160 psi)
>99.9996% O2 <1ppm, dew point H2O <-30 °C (-22°F)
GC, GC-MS
RACK.MB.H2
Rack standard purity, static membrane dryer
100 to 600 cc/min
0.1 - 11 bar (1 - 160 psi)
>99.9996% O2 <1ppm, dew point H2O <-30 °C (-22°F)
GC, GC-MS
RACK.MF.H2
Rack high purity, dynamic regeneration dryer
100 to 1350 cc/min
0.1 - 11 bar (1 - 160 psi)
>99.99999% O2 <0.1ppm, dew point H2O <-75 °C (-103°F)
GC, GC-MS
For more information please download our product brochure or call us to discuss your requirements or visit the F-DGSi website F-DGSi Hydrogen Generators
Additional information
Manufacturer
FDGSi
Industry
Biofuels, Energy – Oil, Gas and Petrochemicals, Environmental, Food, Flavour and Beverage, Forensics, Fragrance and Essential Oils, Pharamceuticals and Life Science, Recycling – Fuels from Waste
Techniques
Gas Chromatography, Gas Testing, GC Vacuum Ultraviolet Detection, Laboratory Gas Generation
F-DGSi COSMOS Hydrogen Generators
The safest and most convenient alternative
to helium GC Carrier Gas
To ensure reliable GC and GC-MS analytical results, a high quality hydrogen supply is essential. F-DGSi offers the widest range of hydrogen generators, benchtop and rack design, with different purities depending on the sensitivity required for your analyses.
If you want to improve your laboratory hydrogen supply or consider an alternative to helium, contact us today or check out our wide range of hydrogen generators.
Description
What is a hydrogen generator and how it works
Hydrogen generators are a safe and convenient alternative and are generally a more cost-effective solution to the use of high-pressure H2 cylinders. Unlike cylinders, hydrogen generators offer consistent purity for more reliable results, eliminating the risk of contamination when changing cylinders.
Hydrogen is produced using distilled or deionized water < 0.1 μS from hydrolysis, through a polymeric ion exchange membrane.
Electrolytic dissociation separates the water into its two main components: hydrogen ready for analysis, and oxygen that is released into the ambient air.
The hydrogen produced is dried using different technologies, adsorption drying with automatic regeneration on two cartridges, desiccant cartridge drying and Perma-pure drying. Depending on the hydrogen drying technology, the purity of the gas obtained will be different.
The different type of hydrogen purification technology available
PEM – Absorbent Pressure Swing Adsorption Dryer System
Adsorption drying technology works by alternating the flow through two columns filled with molecular sieve. While the hydrogen passes through one column to be dried, a small amount of gas is passed through the second column to regenerate the adsorbent. Regularly, the two columns alternate between purification and regeneration mode, which increases the life of the cartridges so that they do not have to be replaced. This technology provides high purity hydrogen quality with an O2 content < 0.1 ppm and a dew point < -75°C. As an option, it is possible to add a cold palladium catalyst to reduce the oxygen level to < 0.01 ppm and the humidity < 1 ppm.
PEM – Molecular Desiccant Cartridge System
The cartridge drying system removes moisture from the hydrogen gas via a silica bead absorbent. This technology is very common and easy to use. It is sufficient to change the desiccant when it is saturated with water.
PEM – Perma-pure Dryer System
Perma-pure technology dries hydrogen by transferring the molecules from one side of the membrane to the other by kinetic force, leaving the hydrogen gas stream intact and free of moisture. This technology is the most economical but also the one that offers the lowest hydrogen purity.
For more information please download our product brochure or call us to discuss your requirements or visit the F-DGSi website F-DGSi Hydrogen Generators
Additional information
FDGSi
Biofuels, Energy – Oil, Gas and Petrochemicals, Environmental, Food, Flavour and Beverage, Forensics, Fragrance and Essential Oils, Pharamceuticals and Life Science, Recycling – Fuels from Waste
Gas Chromatography, Gas Testing, GC Vacuum Ultraviolet Detection, Laboratory Gas Generation
Brochure
F-DGSI COSMOS MF Series Datasheet
F-DGSI COSMOS MD Series Datasheet
F-DGSi COSMOS MB Series Datasheet
F-DGSi Full Range Product Catalogue
Video
Application Notes