Zinc Sulfate Heptahydrate Crystal Reagent ACS Emulsifying Agent Excipients Test Specification Min Max ASSAY

Test Specification Min Max ASSAY (Ce) 31 32

00% ELEMENTAL IMPURITIES AS REPORTED AS REPORTED MICROBIAL LIMITS: TOTAL PLATE COUNT 1000/g ESCHERICHIA COLI NEGATIVE NEGATIVE SALMONELLA NEGATIVE NEGATIVE IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

40% ELEMENTAL IMPURITIES AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST CERTIFIED HALAL EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST

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

APPEARANCE

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%