Methane, CH4 

CAS RN  74-82-8 
Molecular Wt. 16.0426 
B.P. -161.45 
 
Component

PDL
ppm

Method/Technique

Hydrogen

0.05

GC-PDID

Argon
0.05
GC-PDID

Nitrogen

0.05

GC-PDID

Carbon Monoxide

0.5

GC-AED

Carbon Dioxide

0.03

GC-AED

C2-C5 Hydrocarbons

0.5

GC-AED

Water

0.05

Hygrometer

Oxygen

0.05

Galvanic Cell
H2S
0.05
GC-ICP-MS
Index
Acetylene
Ammonia
Argon
Arsine
Boron Trichloride
Boron Trifluoride
Carbon Dioxide
Carbon Monoxide
Carbon Tetrafluoride
Chlorine
Deuterated Silane
Deuterium
Difluoroethane
Difluoromethane
Dichlorosilane
Ethylene
Germane
Germanium Tetrafluoride
Hexafluoro Ethane
Helium
Hexafluoro-1,3-butadiene
Hydrogen
Hydrogen Bromide
Hydrogen Chloride
Hydrogen Sulfide
Methane
Nitric Oxide
Nitrogen
Nitrogen Trifluoride
Octafluorcyclobutane
Oxygen
Phosphine
Propylene
Silane
Silicon Tetrafluoride
Sulfur Hexafluoride

 

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