Zinc Sulphate Monohydrate is used as a fertilizer additive for preventing and correcting zinc deficiencies in crops
Zinc is important for enzyme activity associated with carbohydrate metabolism in plants and animals. It is also important for protein synthesis in animals
Zinc Sulphate Mono- hydrate (ZnSO4. H2O) – Specifications as per FCO
Matter- insoluble in water per cent by weight, maximum | 1.0 |
Zinc (as Zn) per cent by weight, minimum | 33.0 |
Lead (as Pb) per cent by weight, maximum | 0.003 |
Iron (as Fe) per cent by weight, maximum | 1.0 |
pH (5% solution) not less than | 4.0 |
Sulphate Sulphur (as S) per cent by weight, minimum | 15.0 |
Cadmium (as Cd) per cent by weight, maximum | 0.0025 |
Arsenic (as As) per cent by weight, maximum | 0.01 |
BENTONITE SULPHUR
1. Sulphur 90 % (Granular) - Specifications as per FCO
Moisture per cent by weight, maximum | 0.5 |
Total sulphur (as S) per cent by weight, minimum | 90.0 |
Particle size - Minimum 90 percent of the material shall be retained between 1mm and 4 mm IS sieve |
2. Sulphur 90 % (Powder) - Specifications as per FCO
Moisture per cent by weight, maximum | 1.0 |
Total sulphur (as S) per cent by weight, minimum | 90.0 |
3. Magnesium Sulphate : Specifications as per FCO
Magnesium (as Mg) per cent by weight, minimum | 9.5 |
Sulphate Sulphur (as S) per cent by weight, minimum | 12.0 |
Matter insoluble in water per cent by weight, maximum | 1.0 |
pH (5% solution) | 5.0-8.0 |
Lead (as Pb) per cent by weight, maximum | 0.003 |
Cadmium (as Cd) per cent by weight, maximum | 0.0025 |
Arsenic (as As) per cent by weight, maximum | 0.01 |
4. Di-Sodium Tetra Borate Penta Hydrate: Specifications as per FCO
Boron (as B) per cent by weight, minimum | 14.5 |
Matter insoluble in water per cent by weight, maximum | 1.0 |
Arsenic (as As) per cent by weight, maximum | 0.001 |
Lead (as Pb) per cent by weight, maximum | 0.001 |
Cadmium (as Cd) per cent by weight, maximum | 0.0025 |