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Test Specification Min Max ASSAY (P[@2@]O[@5@]) 66
00% HEAVY METALS (as Pb) 5 mg/kg IODIDE OR BROMIDE TO PASS TEST TO PASS TEST SODIUM (Na) TO PASS TEST TO PASS TEST IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE
APPEARANCE
90% SOLUBILITY IN WATER TO PASS TEST TO PASS TEST ULTRAVIOLET ABSORBANCE TO PASS TEST TO PASS TEST COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 1 ppm TITRABLE ACID 0
8 (orange)t VISUAL TRANSITION INTERVALS pH 3
Zinc Sulfate Heptahydrate Crystal Reagent ACS Emulsifying Agent Excipients Test Specification Min Max ASSAYTest Specification Min Max ASSAY (ZnSO[@4@]. 7H[@2@]O) 99. 0 103. 0 % 99. 0 103. 0 % pH OF A 5% SOLUTION @ 25[dC 4. 4 6. 0 4. 4 6. 0 INSOLUBLE MATTER 0. 01% CHLORIDE (Cl) 5 ppm NITRATE (NO[@3@]) 0. 00% AMMONIUM (NH[@4@]) 0. 00% CALCIUM (Ca) 0. 01% IRON (Fe) 0. 00% LEAD (Pb) 0. 00% MAGNESIUM (Mg) 0. 01% MANGANESE (Mn) 3 ppm POTASSIUM (K) 0. 01% SODIUM (Na) 0. 05%
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