Zinc Sulfate 7-hydrate (USP, BP, Ph. Eur.) pure, pharma grade

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Zinc Sulfate 7-hydrate (USP, BP, Ph. Eur.) pure, pharma grade
Content: 1000 GRM
Physical Description:
solid
Quality Name: pure, pharma grade
Specification: Assay (Compl.)@99.0-104.0%§Identity according to Pharmacopoeias:@passes test§pH of 5% solution@4.4-5.6§CHAR(13) + CHAR(10) Maximum limit of impurities@§Appearance of solution@passes test§Acidity@passes test§Chloride (Cl)@0.03%§Nitrogen compounds (as N)@0.005%§Residual solvents (Ph.Eur/USP)@passes test§Alkalis and alkaline-earths@0.5%§As@0.0001 %§Ca@0.02 %§Fe@0.005 %§Pb@0.00005 %