主要有以下这些参数考虑:
Purity 99.90 vol% min
Methane 500 vol ppm max
Ethane 500 vol ppm max
Acetylene 5 vol ppm max
Oxygen 5 vol ppm max
Hydrogen 10 vol ppm max
Carbon Monoxide 5 vol ppm max
Carbon Dioxide 5 vol ppm max
Water 10 vol ppm max
Sulfur (as H2S) 2 wt ppm max
C3 + Heavier 10 vol ppm max
Chloride (as Cl) 1 wt ppm max |