Potassium Hydroxide 45 Percent (w/w) Aqueous Solution Reagent size:4 LT Test Specification Min Max ASSAY

Test Specification Min Max ASSAY 96% VOLATILE MATTER (@ 135[dC) 2

01% CALCIUM AND MAGNESIUM TO PASS TEST TO PASS TEST SODIUM TO PASS TEST TO PASS TEST ELEMENTAL IMPURITIES: LEAD (Pb) AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST TO PASS TEST CERTIFIED KOSHER CERTIFIED HALAL EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

CRYSTAL OR CLS

Test Specification Min Max HOLMIUM 995 - 1005 ppm 995 - 1005 ppm STANDARDIZED AGAINST NIST 3123 3123 EXPIRATION DATE

00% MELTING POINT 146

Potassium Hydroxide 45 Percent (w/w) Aqueous Solution Reagent size:4 LT Test Specification Min Max ASSAYTest Specification Min Max ASSAY (KOH) 45% CHLORIDE (Cl) 0. 01% IRON (Fe) 0. 00% POTASSIUM CARBONATE (K[@2@]CO[@3@]) 0. 50% SODIUM (Na) 0. 25% EXPIRATION DATE