Peak Scientific offers a range of Gas Generators specifically designed to supply Hydrogen, UHP Nitrogen and Zero Air to
Gas Chromatographs. GC’s can typically be operated with Helium, Nitrogen, Argon, Nitrogen and Air, but which gas to
use is usually determined by the detector being used. Safety and availability can also influence the selection of gasses used
for your analysis, eg: high purity Helium can be difficult to obtain in some countries and gas bottles and cylinders pose a
potential Health & Safety Hazard. The purity of the gases required is frequently determined by the detector, though the
level of sensitivity needed can also play a significant role.

The gas flow rate affects the analysis in the same way that temperature does and the higher the flow rate the faster your
analysis, but the lower the separation between the analytes. Selecting the flow rate is therefore the same compromise
between the level of separation and length of analysis as selecting the column temperature. All this has been considered
when Peak Scientific developed their products. Their range of Hydrogen, Nitrogen and Zero Air Generators offer a safe
and cost effective solution to your gas requirements whilst providing you with the purities and pressures required to
operate your GC’s. With different flow rates available the gas generators will provide you with a suitable supply of
laboratory gas for your application and all of Peak Scientifics’ generators have been tried, tested & approved by leading
instrument manufacturers.

Nitrogen – NG250 Peak Scientific	Hydrogen PH-200 Peak Scientific	Zero Air – ZA035A Peak Scientific

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