Potassium Iodate BiotechGrade and pH Solutions Test Specification Min Max SODIUM

Test Specification Min Max SODIUM (Na) 995 - 1005 ppm 995 - 1005 ppm STANDARDIZED AGAINST NIST 3152 3152 EXPIRATION DATE

01 COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 1 ppm TITRABLE ACID 0

01% OTHER HALOGENS (as Cl) 0

Test Specification Min Max APPEARANCE CLEAR LIQUID CLEAR LIQUID REFRACTIVE INDEX APPROX

Potassium Iodate BiotechGrade and pH Solutions Test Specification Min Max SODIUMTest Specification Min Max ASSAY (DRIED BASIS) 99. 50% pH OF A 5% SOLUTION 5. 0 8. 0 5. 0 8. 0 LOSS ON DRYING @ 105 C 0. 50% CHLORATE TO PASS TEST TO PASS TEST HEAVY METALS (as Pb) 10 ppm IODIDE (LIMIT APPROX. 0. 002%) TO PASS TEST TO PASS TEST INSOLUBLE MATTER 0. 00% SULFATE (SO[@4@]) 0. 01% CHLORIDE AND BROMIDE 0. 01% SODIUM (Na) 0. 01% COPPER (Cu) 0. 00% MAGNESIUM (Mg) 0. 00% NICKEL (Ni) 0. 00% ZINC (Zn) 0. 00% IDENTIFICATION TO PASS TEST TO PASS