
1 | Moisture,maximum | 1.5% |
2 | Potash content (as K2O),minimum | 23.0% |
3 | Magnesium Oxide (as MgO),maximum | 11.0% |
4 | Sodium (as NaCl),(on dry basis), maximum | 1.5% |
1 | Moisture,maximum | 1.0% |
2 | Total Sulphur (as S),minimum | 90.0% |
1 | Moisture,maximum | 0.5% |
2 | Total Sulphur (as S),minimum | 90.0% |
3 | Particle size- Not less than 90 per cent of the material shall pass through 4.0 mm IS sieve and be retained on 1 mm IS sieve and not more than 5 per cent shall be below 1 mm IS sieve (Note- the product may contain inert filler material only Bentonite etc. up to the extent of 10% by weight, maximum | 1.0% |
1 | Total phosphate (as P2O5),minimum | 70.0% |
2 | Poly phosphate (as P2O5),maximum | 18.9% |
3 | Methanol insoluble matter,maximum | 1.0% |
4 | Magnesium (as MgO),maximum | 0.5% |
5 | Specific gravity (at24°C) | 1.96 |