CAS No.: | 7440-59-7 |
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Formula: | He |
Constituent: | Industrial Pure Air |
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Specification:
Specification | Company Standard |
Argon | ≥ 99.999% |
Hydrogen | ≤ 0.5 ppm |
Oxygen | ≤ 1.5 ppm |
Moisture | ≤ 3.0 ppm |
Methane+Carbon Monoxide+Carbon Dioxide | ≤ 1.0 ppm |
Nitrogen | ≤ 4.0 ppm |