FILTER RATINGS FOR DIFFERENT GASES
Ga s
Molecular
Weight
Gas Density
@ 68ºF, 14.6
Correction
Factor
Air 28 0.07 1.00
Ammonia 17 0.04 1.30
Butane 58 0.16 0.70
Carbon Dioxide44 0.110.81
Carbon Monoxide 28 0.07 1.02
Ethane 30 0.08 0.98
Ethylene 28 0.07 1.01
Halocarbon-12 121 0.32 0.48
Halocarbon-13 104 0.27 0.53
Halocarbon-22 86 0.23 0.57
Helium 4 0.01 1.00
Hydrogen 2 0.01 1.50
Methane 16 0.04 1.34
Methyl Chloride 50 0.13 0.75
Neon 20 0.05 1.19
Nitrogen 28 0.07 1.02
Oxygen 32
0.08
0.95
Propane 44
0.12
0.80
Propylene 42
0.11
0.84
CAPACITY CORRECTION FOR FILTERS OPERATING AT NON STANDARD PRESSURES
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