Hydrogen Supply Requirements For Carrier Gas And Jetclean Systems - Agilent Technologies ALS Handbuch

The minimum supply pressure for Auxiliary EPC and PCM modules is 138 kPa
(20 psi) greater than the pressure used in your method. For example, if you
need a pressure of 138 kPa (20 psi) for the method, the supply pressure must
be at least 276 kPa (40 psi).
Auxiliary EPC and PCM modules.
Table 15 Delivery pressures for Auxiliary EPC and PCM modules, in kPa (psig)
Aux EPC
Carrier (max) 827 (120)
Hydrogen supply requirements for carrier gas and JetClean
systems
Not all systems can use hydrogen as a carrier gas. See
Selection.
Hydrogen can be supplied from a generator or from a cylinder.
Agilent recommends use of a high-quality hydrogen gas generator. A
high-quality generator can consistently produce purity > 99.9999%, and the
generator can include built-in safety features such as limited storage, limited
flow rates, and auto-shutdown. Select a hydrogen generator that provides low
(good) specifications for water and oxygen content.
If using a hydrogen gas cylinder, Agilent recommends use of Gas Clean Filters
to purify the gas. Consider additional safety equipment as recommended by
your company safety personnel.
GC, GC/MS, and ALS Site Preparation Guide
PCM 1
827 (120)
Conversions: 1 psi = 6.8947 kPa = 0.068947 Bar = 0.068 ATM
Table 15 lists the maximum carrier pressure for
PCM 2 or PCM Aux
827 (120) with Forward pressure control
345 (50) with Backpressure control
7890 Series GC Site Preparation
Gas and Reagent
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