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

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Iron(II) Sulfate 7-hydrate (USP, BP, Ph. Eur.) pure, pharma grade
Content: 5 KGM
Physical Description:
solid
Quality Name: pure, pharma grade
Specification: Assay (Cerim.)@99.5-104.5 %§Identity according to Pharmacopoeias:@passes test§pH of 5% solution@3.0-4.0§CHAR(13) + CHAR(10) Maximum limit of impurities@§Appearance of solution@passes test§Insoluble matter in H2O@0.01 %§Chloride (Cl)@0.02%§Phosphate (PO4)@0.003 %§Residual solvents (Ph.Eur/USP)@passes test§Fe(III)@0.3%§As@0.00015 %§Cr@0.0025 %§Cu@0.005 %§Hg@0.00015 %§Mg@0.025 %§Mn@0.1 %§Ni@0.002 %§Pb@0.00005 %§Zn@0.005 %§You must not use if it is recovered by yellow-brownish Ferric Sulphate, Basic @