CAS No.: | 7446-19-7, 7446-19-7 |
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Type: | Zinc Sulfate |
Appearance: | Granular |
Grade Standard: | Agriculture Grade |
Einecs No.: | 231-793-3 |
Purity: | 98% |
Customization: |
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Item |
Index |
|||||
(ZnSO4@H2O) |
(ZnSO4@7H2O) |
|||||
High-class |
First-class |
Quality |
High-class |
First-class |
Quality |
|
( calculating Zn ) Main content ( calculating ZnSO4@H2O ) ≥% |
35.7 |
35.34 |
34.61 |
22.51 |
22.06 |
20.92 |
(calculating ZnSO4@7H2O ) ≥% |
98.0 |
97.0 |
95.0 |
99.0 |
97.0 |
92.0 |
Insoluable material content ≤% |
0.020 |
0.050 |
0.10 |
0.020 |
0.050 |
0.10 |
PH value ( 50g /L ) ≥% |
4.0 |
4.0 |
__ |
3.0 |
3.0 |
__ |
chloride ( calculating Cl ) content ≤% |
0.20 |
0.60 |
__ |
0.20 |
0.60 |
__ |
( Pb ) content ≤% |
0.002 |
0.007 |
0.010 |
0.002 |
0.010 |
0.010 |
( Fe ) content ≤% |
0.008 |
0.020 |
0.060 |
0.005 |
0.020 |
0.060 |
( Mn ) content ≤% |
0.01 |
0.03 |
0.05 |
0.01 |
0.10 |
__ |
( Cd ) content ≤% |
0.002 |
0.007 |
0.010 |
0.002 |
0.010 |
__ |
( Cu ) content ≤% |
0.001 |
__ |
__ |
0.002 |
__ |
__ |
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