(Ethylenedinitrilo)tetraacetic Acid Disodium Dihydrate Reagent ACS size:2.5 KG Test Specification Min Max INDIUM

Test Specification Min Max INDIUM 995 - 1005 ppm 995 - 1005 ppm EXPIRATION DATE

00% RESIDUE ON IGNITION 0

Test Specification Min Max ASSAY (as ETHYL (Z)-9-OCTADECENOATE) TO PASS TEST TO PASS TEST PRESENCE OF ESTER TO PASS TEST TO PASS TEST IODINE VALUE 75 85 PEROXIDE VALUE 10 WATER DETERMINATION 1

40% POTASSIUM 0

DRIED BASIS) 1000 USP units/m 1000 USP units/m ASSAY (OF LABELED POTENCY) 90

(Ethylenedinitrilo)tetraacetic Acid Disodium Dihydrate Reagent ACS size:2.5 KG Test Specification Min Max INDIUMTest Specification Min Max ASSAY (C[@10@]H[@14@]O[@8@]N[@2@]Na[@2@]2H[@2@]O) 99. 0 101. 0 % 99. 0 101. 0 % pH OF A 5% SOLUTION @ 25[dC 4. 0 6. 0 4. 0 6. 0 INSOLUBLE MATTER 0. 01% NITRILOTRIACETIC ACID[n[(HOCOCH[@2@])[@3@]N] 0. 10% HEAVY METALS (as Pb) 0. 01% IRON (Fe) 0. 01%