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Zinc Rod/Zinc Acetate/Dihydrate 557-34-6/5970-45-6

Zinc Rod/Zinc Acetate/Dihydrate: Food Grade & Industry Grade
 
No Item Specification Value
1 Appearance White powder White powder
2 Assay ≥ 99% 99.5%
3 Insoluble Matter 0.05% 0.01%
4 Chloride (Cl) ≤ 0.01% <0.01%
5 Sulfate (SO4) ≤ 0.01% <0.01%
6 Iron (Fe) ≤ 0.005% 0.002%
7 Calcium (Ca) ≤ 0.1% <0.1%
8 Heavy Metals(as Pb) ≤ 0.001% 0.0007%
9 PH of 5% Solution 25℃ 6.0-7.0 6.6
(1) Determination of sodium, hydrogen sulfide, protein reagents, chromatographic analysis reagents, mordants are used in the polyester industry, etc.
 
(2) Zinc Rod/Zinc Acetate/Dihydrate is used as a catalyst for the production of vinyl acetate and polyvinyl alcohol, printing and dyeing mordant, medical astringent, wood preservative, porcelain glaze, etc.
 

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