??? ?CHARACTERS: A WHITE, CRYSTALLINE POWDER, COLORLESS CRYSTALS OR GRANULES
??????IDENTIFICATION: COMPLIES WITH THE TEST
????? ASSAY: 99.0%~100.5%
????? LOSS ON DRYING: 3.0%~6.0%
????? READILY CARBONISABLE SUBSTANCES : PASS THE TEST
????? PH (IN 5% SOLUTION): 7.6-9.0
???? CHLORIDE: ≤50PPM
???? OXALATE: ≤300PPM
?????Tartrate: Pass the test
???? SULPHATE: ≤150PPM
???? HEAVY METALS: ≤10PPM
???? ARSENIC: ≤4PPM