Ngwaahịa
helium electronic
| Ihe | Nka nka |
| Helium dị ọcha dị elu | |
| Helium He dị ọcha (ọnụọgụ olu)/10-2≥ | 99,999 |
| Ọdịnaya Neon (Ne) (nkebi olu)/10-6≤ | 4 |
| Hydrogen (H2) ọdịnaya (irighiri olu)/10-6 ≤ | 1 |
| Oxygen (O2) ọdịnaya (irighiri olu)/10-6 ≤ | 1 |
| Ihe dị n'ime Argon (Ar) (nkebi olu)/10-6 ≤ | |
| Nitrogen (N2) ọdịnaya (irighiri olu)/10-6 ≤ | 2 |
| Ihe dị n'ime carbon monoxide (CO) (oke nha)/10-6≤ | 0.5 |
| Carbon dioxide (CO2) ọdịnaya (irighiri olu)/10-6≤ | 0.5 |
| Methane (CH4) ọdịnaya (irighiri olu)/10-6≤ | 0.5 |
| Mmiri H2Ọ dị n'ime ya (oke nha nha)/10-6≤ | 3 |
| Mkpokọta ọdịnaya akwụkwọ akụkọ/10-6≤ | 10 |
Dee ozi gị ebe a ziga anyị ya
