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Standard:GB/T 4842-1995
Uses: mainly used in metal welding and metallurgy.
Technical requirements:
| Item |
Index |
| Purity, 10-2 ≥ |
99.99 |
| H, 10-6 ≤ |
5 |
| O, 10-6 ≤ |
10 |
| N, 10-8 ≤ |
50 |
| C (as methane), 10-6 ≤ |
10 |
| Moisture , 10-6 ≤ |
15 |
Remark:1, purity and assay are volume fraction (V/V).
2, the moisture is not prescriptive for liquid product.
Molecular formula:Ar
Relative molecular weight:39.948
Properties:it is colorless , tasteless , high dense , non-flammable, inert gas with suffocation. Liquid argon is colorless , odorless , transparent liquid.
Packing & Storage: steel gas cylinder , steel tank; tank car. the steel cylinder should wear protecting cap. Do not mix with inflammable/flammable matter. Avoid insolation.
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