China 99.9% Pure Liquid Gas CH4 Methane, Find details about China Methane Gas Cylinder, High Pure 99.999% from 99.9% Pure Liquid Gas CH4 Methane
Item | Purity Specificaitions % | |||||
Methane(CH4) | ≥99 | ≥99.9 | ≥99.99 | ≥99.995 | ≥99.999 | |
Impurities(ppm) | Ethane(C2H6) | ≤600 | ≤25 | ≤15 | ≤5 | |
Hydrogen(H2) | ≤50 | ≤15 | ≤10 | ≤1 | ||
Nitrogen(N2) | ≤250 | ≤35 | ≤15 | ≤2 | ||
Oxygen(O2) | ≤50 | ≤5 | ≤5 | ≤1 | ||
Moisture (H2O) | ≤50 | ≤15 | ≤5 | ≤1 |
Specification | 99.9% | 99.99% | 99.999% |
Nitrogen | <250 ppm | <35 ppm | <4 ppm |
Oxygen+Argon | <50 ppm | <10 ppm | <1 ppm |
C2H6 | <600 ppm | <25 ppm | <2 ppm |
Hydrogen | <50 ppm | <10 ppm | <0.5 ppm |
Moisture (H2O) | <50 ppm | <15 ppm | <2 ppm |