Zinc sulfate monohydrateCAS NO.：7733-02-0HS Code: 2833293000MF: ZnSO4 Appearance: Colorless or white crystals, granules or powder.Nature: Dissolved in water.Quality index: Test itemsTest standardsTest results(ZnSO4•H2O )≥ 98%98.5%PH value ≥4.0%6%Free acid ≤0.05%0.01%Iron FE ≤0.04%0.02%Heavy metal ≤0.005%0.001%Pb ≤10ppm5ppmWater insoluble matter ≤0.02%0.01%Application：1.Aquaculture, animal feed additives;2.Used as printing and dyeing mordant, preservative for wood and leather;3.An important auxiliary raw material for the production of viscose fiber and vinylon fiber.Packaging： Packed in plastic woven bag, lined with plastic bag, net weight 25kg.