ZINC SULPHATE
Molecular Formula：ZnSO4nH2O(n=1,7)
CAS Number: 7446-19-7 (ZnSO4.H2O),7446-20-0 (ZnSO4.7H2O)
Used as trace element fertilizer, while provide nutrients for crops, Zinc Sulphate can prevent crops from Zinc deficiency thus keep crops healthy to improve yield.
Main Advantages
◆While provide nutrients for crops, Zinc Sulphate can prevent crops from Zinc deficiency thus keep crops healthy to improve yield.
◆Used as fertilizer blending.
◆Used as water soluble fertilizers for greenhouse and hydroponics.
Packing and Storage
In 25kg, or big bags. Store at a cool, dry and well ventilated place.
SPECIFICATIONS
Zinc Sulphate Monohydrate
Specifications | Unit | Standard | Test result |
ZnSO4.H2O Min | % | 94.7 | 97.7 |
Zn Min | % | 35.0 | 35.2 |
Pb Max | PPM | 10 | 3 |
AS Max | PPM | 5 | 2 |
Cd Max | PPM | 10 | 3 |
Hg Max | PPM | 1 | 0.01 |
Water Insoluble Max | % | 0.05 | 0.03 |
PH value(20g/L) |
| 5.5-6.5 | 5.7 |
Surface | -- | White Powder | |
Powder Size 60 mesh Pass Min | % | 95 | 95 |
Conclusion | Qualified | ||
Zinc Sulphate Heptahydrate
Specifications | Unit | Standard | Test result |
Zn Min | % | 21.5 | 21.8 |
Pb Max | PPM | 10 | 5 |
AS Max | PPM | 5 | 2.5 |
Cd Max | PPM | 10 | 4.8 |
Water Insoluble Max | % | 0.05 | 0.03 |
Surface | -- | White Crystal | |
Conclusion | Qualified | ||