Zinc Sulphate Heptahydrate Tech grade
Detailed Product Description
Zinc Sulphate Heptahydrate Tech grade
Formula: ZnSO4.7H2O molecular weight: 287.54
Appearance: white or slight yellow crystal or powder
Quality Index(HG/T 2326-92)
Item | Index | |||||
I | II | |||||
Excellent Grade | First Grade | Qualified Grade | Excellent Grade | First Grade | Qualified Grade | |
Zn %min. ZnSO4.H2O or ZnSO4.7H2O %min | 35.7 98.0 | 35.34 97.0 | 34.61 95.0 | 22.51 99.0 | 22.06 97.0 | 20.92 92.0 |
Insoluble substance max. | 0.020 | 0.050 | 0.10 | 0.020 | 0.050 | 0.10 |
PH(50g/L solution) | 4.0 | 4.0 | - | 3.0 | 3.0 | - |
Chloride (Cl) %max. | 0.20 | 0.60 | - | 0.20 | 0.60 | - |
Pb %max. | 0.002 | 0.007 | 0.010 | 0.002 | 0.010 | 0.010 |
Fe %max. | 0.008 | 0.020 | 0.060 | 0.005 | 0.020 | 0.060 |
Mn %max. | 0.01 | 0.03 | 0.05 | 0.01 | 0.10 | - |
Cd %max. | 0.002 | 0.007 | 0.010 | 0.002 | 0.010 | - |
Cu %max. | 0.001 | - | - | 0.002 | - | - |
package:25kg net plastic bag
Property: white powder or needle crystal, easy soluble in water and insoluble in alcohol and ketone, gradual weathering in air.
Usage: mainly used to produce synthetic fibre, electrolysis, electroplating, organic pigment, feed, pesticide, fertilizer,etc.
Zinc Sulphate Heptahydrate Tech grade
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Company Info
Tianjin Yufeng Chemical Co., Ltd.
[China (Mainland)]
[Verified Member]
City: Tianjin
Province/State: Tianjin
Country/Region : China (Mainland)
Business Type:Manufacturer
Online Postings: Products