Zinc Acetate chemical reagent madein china

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Zinc Acetate chemical reagent madein china
Posting date : Oct 28, 2013
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Zinc Acetate Chemical name :Zinc Acetate Chemical formula : Zn(CH3COO)2·2H2O Molecular weight : 219.51 Properties : White sheet or granular crystals,slight acetic acid(vinegar) odor.Density is 1.735, lose water of hydration above 100C,soluble in ethanol and water. Specifications Name of index E 650 Assay % 99.0-102.0 Test for Acetate Past test Test for Zinc Past test PH at 20°C in 5% aqueous solution 6.0-8.0 Water Insoluble Matter, % ≤0.005 Chloride, mg/kg ≤50 Sulphates mg/kg ≤100 Alkalines and alkaline earths % ≤0.2 Organic volative impurities Pass test Iron(Fe), mg/kg ≤50 Lead(as Pb), mg/kg ≤20 Cadmium mg/kg ≤5 Arsenic(As), mg/kg ≤3

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