Potassium Oxalate Monohydrate Crystal Reagent ACS Inorganic Desiccants 30 % SOLUBILITY (5%

30 % SOLUBILITY (5%

1N NaOH) 572 576 nm VISUAL TRANSITION INTERVAL pH 4

Test Specification Min Max ASSAY (C[@6@]H[@6@]) 99 - 100 % 99 - 100 %

10% IDENTIFICATION (A) POSITIVE FOR SOD POSITIVE FOR SOD IDENTIFICATION (B) DEEP RED COLOR DEEP RED COLOR IDENTIFICATION (C) SPECTRUM MATCHES SPECTRUM MATCHES CERTIFIED HALAL APPEARANCE EXPIRATION DATE DATE OF MANUFACTURE

Potassium Oxalate Monohydrate Crystal Reagent ACS Inorganic Desiccants 30 % SOLUBILITY (5%Test Specification Min Max ASSAY (K[@2@]C[@2@]O[@4@][ H[@2@]O) 98. 5 101. 0 % 98. 5 101. 0 % NEUTRALITY TO PASS TEST SUBSTANCES DARKENED BY HOT H[@2@]SO[@4@] TO PASS TEST INSOLUBLE MATTER 0. 01% CHLORIDE (Cl) 0. 00% SULFATES (SO[@4@]) 0. 01% AMMONIUM (NH[@4@]) 0. 00% HEAVY METALS (as Pb) 0. 00% IRON (Fe) 0. 00% SODIUM (Na) 0. 02% EXPIRATION DATE