Working Principle :  Hydrogen is produced in the NH Series Hydrogen Generators by the most advanced electrolytic membrane technology.  The application of voltage across the electrolyte results in hydrolysis, breaking down the water molecule into hydrogen and oxygen gas, which are separated by the gas permeable membrane.  Once separated, the hydrogen gas goes through a series of purification and moisture removal systems to achieve the desired level of purity while the oxygen gas is being discharged into the atmosphere.  Electrolytic membrane technology has its advantages over alternative hydrogen generating techniques as it is clean, requires less maintenance and there is no need to store chemicals to maintain operation.  Only pure double distilled water (initially some KOH), is required to provide trouble free long term operation.  Membrane separation is also less time consuming as only water is needed for routine maintenance. Applications: Instruments Gas Requirement Purity Flow Rate Generator Recommendation Products for Gas Chromatography GC‐FID Hydrogen for fuel gas UHP Hydrocarbon‐free 30‐50 cc/min Hydrogen Hydrogen for capillary UHP, Zero grade up to 10 cc/min Hydrogen GC‐FPD Hydrogen for fuel gas UHP 60‐90 cc/min Hydrogen GC‐NPD Hydrogen for capillary gas UHP up to 50 cc/min Hydrogen GC‐TCD Hydrogen as carrier gas UHP up to 50 cc/min Hydrogen GC‐ELCD, Hydrogen as reaction gas UHP 70 to 200 cc/min Hydrogen Products for Analyzers THA Hydrogen for fuel gas UHP 5 to 50 cc/min Hydrogen Hydrogen Generators provide an onsite supply of hydrogen gas, eliminating the need of gas cylinders, which can be bulky and require special cylinder storage space. They provide ultra‐high purity hydrogen gas. The NH Series Hydrogen Generator have been used in a wide variety of applications such as general industrial, military, wastewater treatment and especially in laboratory gas chromatography. NH Hydrogen Generators employs the most advance velum separation technology for the electrolytic production of hydrogen gas. Easy to operate, safe and reliable, generating hydrogen through electrolyzing pure water, switching power on to produce gas. High reliability, easy to maintain. Match with all kinds of GC.

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