
| Bidhaa | Mali ya Kiufundi | ||
| Nitrojeni safi | Nitrojeni safi sana | Nitrojeni safi sana | |
| Nitrojeni (N)2usafi (sehemu ya ujazo)/10-2≥ | 99.99 | 99.999 | 99.9999 |
| Oksijeni (O2)2) maudhui (sehemu ya ujazo)/10-6≤ | 50 | 3 | 0.1 |
| Maudhui ya Argon (Ar) (sehemu ya ujazo)/10-6≤ | - | - | 2 |
| Hidrojeni (H2) maudhui (sehemu ya ujazo)/10-6≤ | 15 | 1 | 0.1 |
| Kiwango cha monoksidi ya kaboni (CO2) (sehemu ya ujazo)/10-6≤ | 5 | 1 | 0.1 |
| Dioksidi kaboni (CO2)2) maudhui (sehemu ya ujazo)/10-6≤ | 10 | 1 | 0.1 |
| Methane (CH4) maudhui (sehemu ya ujazo)/10-6≤ | 5 | 1 | 0.1 |
| Maji (H2O) maudhui (sehemu ya ujazo)/10-6≤ | 15 | 3 | 0.5 |