| PARAMETER | SPECIFICATION | |
| 1 | Appearance | Colourless to light – brownish –yellow fuming liquid discoloured by nitrous oxides |
| 2 | Strength | 56 – 57,5% w/v |
| 3 | Specific gravity @ 400C | 1,32/cm3 for a 57% concentration |
| PARAMETER | SPECIFICATION | |
| 1 | Appearance | Colourless to light – brownish –yellow fuming liquid discoloured by nitrous oxides |
| 2 | Strength | 56 – 57,5% w/v |
| 3 | Specific gravity @ 400C | 1,32/cm3 for a 57% concentration |