Cov khoom
Ntshiab nitrogen, siab ntshiab nitrogen, Ultra-ntshiab nitrogen (N2)
| Yam khoom | Cov cuab yeej cuab tam | ||
| Ntshiab nitrogen | High purity nitrogen | Ultrapure nitrogen | |
| Nitrogen (N2) purity (ntim feem) / 10-2≥ | 99.99 ib | 99.999 ib | 99.99 9 |
| Cov pa oxygen (O2) cov ntsiab lus ( ntim feem) / 10-6≤ | 50 | 3 | 0.1 |
| Argon (Ar) cov ntsiab lus (ntim feem) / 10-6≤ | - | - | 2 |
| Hydrogen (H2) cov ntsiab lus ( ntim feem) / 10-6≤ | 15 | 1 | 0.1 |
| Cov pa roj carbon monoxide (CO) cov ntsiab lus ( ntim feem) / 10-6≤ | 5 | 1 | 0.1 |
| Cov pa roj carbon dioxide (CO2) cov ntsiab lus ( ntim feem) / 10-6≤ | 10 | 1 | 0.1 |
| Methane (CH4) cov ntsiab lus ( ntim feem) / 10-6≤ | 5 | 1 | 0.1 |
| Dej (H2O) cov ntsiab lus (ntim feem) / 10-6≤ | 15 | 3 | 0.5 |
Sau koj cov lus ntawm no thiab xa tuaj rau peb
