Aluminum Sulfate Hydrated Crystal Reagent ACS size:125 GM Test Specification Min Max ASSAY

Test Specification Min Max ASSAY (by TITRATION) 92% 92%

10% CHLORIDES 500 ppm 2-CHLORO-4-NITROANILINE 100 ppm 5-CHLOROSALICYLIC ACID 60 ppm RELATED SUBSTANCES TO PASS TEST TO PASS TEST IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

5 102% ACIDITY RED COLOR RED COLOR LOSS ON DRYING (JP) 1

Test Specification Min Max APPEARANCE White to slight White to slight SOLUBILITY TO PASS TEST TO PASS TEST SPECIFIC ROTATION +192 to +203 +192 to +203 LOSS ON DRYING 12% SULFATED ASH 0

SOLVENT-FREE BASIS) 95 102

Aluminum Sulfate Hydrated Crystal Reagent ACS size:125 GM Test Specification Min Max ASSAYTest Specification Min Max ASSAY 98. 0 102. 0 % 98. 0 102. 0 % DEGREE OF HYDRATION 14 18 14 18 INSOLUBLE MATTER 0. 01% CHLORIDE (Cl) 0. 01% CALCIUM (Ca) 0. 01% MAGNESIUM (Mg) 0. 00% POTASSIUM (K) 0. 01% SODIUM (Na) 0. 02% HEAVY METALS (as Pb) 0. 00% IRON (Fe) 0. 00%