| Item name |
Index |
| Pure hydrogen |
High purity hydrogen |
Ultrapure hydrogen |
| Hydrogen (H2) purity (volume fraction)/10-2 ≥ |
99.99 |
99.999 |
99.9999 |
| Oxygen (O2) content (volume fraction)/10-4 ≤ |
5 |
1 |
0.2 |
| Argon (Ar) content (volume fraction)/10-4 ≤ |
Supply and demand agreed |
Supply and demand agreed |
| Nitrogen (N2) content (volume fraction)/10-4 ≤ |
60 |
5 |
0.4 |
| Carbon monoxide (CO) content (volume fraction)/10-4 ≤ |
5 |
1 |
0.1 |
| Carbon dioxide (CO2) content (volume fraction)/10-4 ≤ |
5 |
1 |
0.1 |
| Methane (CH4) content (volume fraction)/10-4 ≤ |
10 |
1 |
0.2 |
| Water (H2O) content (volume fraction)/10-4 ≤ |
10 |
3 |
0.5 |
| Total magazine content (volume fraction)/10-4 ≤ |
- |
10 |
1 |