1 | Appearance | Clear, colourless liquid, very caustic | Clear, colourless liquid, very caustic |
2 | Solubility | Complies | Miscible with water and with ethanol (96%) |
3 | Specific gravity | 0.900 | About 0.90 |
4 | Identification A (Relative density, 20°C) | 0.901 | 0.892 to 0.910 |
5 | Identification B (By Chemical test) | Complies | To comply the test |
6 | Identification C (By Chemical test) | Complies | To comply the test |
7 | Identification D (By Chemical test) | Complies | Dense, white fumes are produced |
8 | Appearance of solution | Complies | The solution is clear and colourless |
9 | Oxidisable substances | Complies | The solution remains faintly pink |
10 | Pyridine and related substances | Less than 2ppm | 2ppm max |
11 | Carbonates | Less than 60ppm | 60ppm max |
12 | Chlorides | Less than 1ppm | 1ppm max |
13 | Sulphate (SO4) | Less than 5ppm | 5ppm max |
14 | Iron (Fe) | Less than 0.25ppm | 0.25ppm max |
15 | Heavy metals | Less than 1ppm | 1ppm max |
16 | Residue on evaporation | 10mg/l | 20mg/l max. |
17 | Assay(as NH3) | 25.30% | 25.0%m/m to 30.0%m/m |