Helium (high purity, GC carrier gas), hydrogen (pre-purified,reduction), methane (pre-purified), and natural gas
(93.5% CH4, 3.8% C2H6, 1.0% C3H8, 1.2% N2, 0.5% CO2, with other trace C4–C6 and
Helium (high purity, GC carrier gas), hydrogen (pre-purified,reduction), methane (pre-purified), and natural gas
(93.5% CH4, 3.8% C2H6, 1.0% C3H8, 1.2% N2, 0.5% CO2, with other trace C4–C6 and
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