| Purity |
99.9% min* |
| Moisture |
20 ppm max |
| Oxygen |
30 ppm max |
| Carbon monoxide |
10 ppm max |
| Ammonia |
2.5 ppm max |
| Nitric oxide/nitrogen dioxide |
2.5 ppm max each |
| Nonvolatile residue |
10 ppm (wt) max |
| Nonvolatile organic residue |
5 ppm (wt) max |
| Phosphine |
0.3 ppm max |
| Total volatile hydrocarbons |
50 ppm max |
| Acetaldehyde |
0.2 ppm max |
| Aromatic hydrocarbon |
20 ppb max |
| Total sulfur content |
0.1 ppm max |
| Sulfur dioxide |
1 ppm max |
| Odor of Solid CO2 |
No foreign odor |
| Appearance in water |
No color or turbidity |
| Odor and taste in water |
No foreign taste or odor |
| All specification based on volume (v/v) unless otherwise noted. |
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