Overview
| brand | Yuejia Gas | Chemical name | helium |
| Product level | High purity helium | alias | Helium |
| Molecular formula | He | relative molecular mass | four point zero zero two six |
| Physical state | Gas | Content (Volume) | 99.9999% |
| CAS | 7440-59-7 | Implement quality standards | -National standard |
| Ne content | ≤ 1ppm | H2 content | ≤ 0.1ppm |
| O2+Ar content | ≤ 0.1ppm | N2 content | ≤ 0.1ppm |
| CO content | ≤ 0.1ppm | Total carbon content | ≤ 0.1ppm |
| H2O content | ≤ 0.2ppm | ||
Product Details
Trading Area
Global