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Supplier: | Qingzhou Zhongyuan Chemical Industry Co., Ltd. |
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Price: | US $ 460-830/Ton |
Min Order: | 5/Ton |
Quantity:: | |
Trade Terms: | FOB,CFR,CIF |
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Prod Model: | Zn 20%~36% |
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Markets: | North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
CAS No.: | 7446-19-7 |
Einecs No.: | 231-793-3 |
Purity: | 98% |
Grade Standard: | Agriculture Grade |
Appearance: | Granular |
Type: | Zinc Sulfate |
Items | Specification | |||||
I Type (Zinc Sulfate Monohydrate) | II Type(Zinc Sulfate Heptahydrate) | |||||
High-Class | First-Class | Qualifier | High-Class | First-Class | Qualifier | |
( calculate Zn ) Main content ( calculate ZnSO4@H2O ) ≥% |
35.7 | 35.34 | 34.61 | 22.51 | 22.06 | 20.92 |
(calculate ZnSO4@7H2O ) ≥% | 98.0 | 97.0 | 95.0 | 99.0 | 97.0 | 92.0 |
Insoluble matter 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 ( 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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