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Calcium Disodium EDTA LR

Calcium Disodium EDTA LR

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SPECIFICATIONS OF CALCIUM DISODIUM EDTA LR.

PRODUCT NAME CALCIUM DISODIUM EDTA LR (PURIFIED GRADE).
PRODUCT CODE E009/PURIFIED.
CAS NO. 62-33-9 (ANHYDROUS); 23411-34-9 (DIHYDRATE).
MOLECULAR WEIGHT 374.27 (AS ANHYDROUS).
MOLECULAR FORMULA C10H12N2O8Ca.Na2.2H2O
DESCRIPTION FINE WHITE CRYSTALLINE POWDER.
SOLUBILITY SOLUBLE IN WATER, CLEAR SOLUTION.
pH (5% SOLUTION) 6.0 – 8.0.
IDENTIFICATION A – PASSES.
B – PASSES.
C – PASSES.
ASSAY 98.0% MIN.
HEAVY METALS 4 PPM MAX.
MAGNESIUM NMT 2 ML. OF 0.1 M MAGNESIUM ACETATE/GM.
ARSENIC 3 PPM MAX.
NITRILOTRIACETATE (NTA) 0.1% MAX.
WATER (BY KF) 13.0% MAX.
APPLICATION LAB REAGENT.