PDL ppm
Method/Technique
Hydrogen
0.1
GC-PDID
Nitrogen
0.05
SEMI C 3.47-95 / GC-PDID
Argon/Oxygen
Carbon Monoxide
1
SEMI C 3.47-95 / FTIR
Carbon Dioxide
Methane
0.5
Water
0.5 - 2
HCl
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