Malic acid (DL-Malic acid)

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Item	Unit	Standard	Test Method
APPEARANCE		WHITE CRYSTALIZED POWERDER	Visual
DEGREE OF PURITY	WT%	99.5Min	FCC
FUMARIC ACID	WT%	1.0MAX	USP
MALEIC ACID	WT%	0.05MAX	USP
ARSENIC ACID	PPM	0.5MAX	FCC
AS PB	PPM	20MAX	FCC
ASH	WT%	0.05MAX	FCC
WATER INSOLUBLE MATTER	WT%	0.1MAX	FCC
IRON	PPM	20MAX	ABSORPTION SPECTROPHOTOMETRY (ORTHOPHENANTRORINE)
LEAD	PPM	10MAX	FCC
CHLORIDE	PPM	30MAX	KSFA
MELTING POINT	℃	127~132	KSFA
SOLUBILITY(1:20)		COMPLETELY SOLUBLE	KSFA
READILY OXIDIZABLE SUBSTANCE	MIN	3MIN	KSFA

■ KSFA: Korean Standards of Food Additives

■ FCC: Food Chemicals Codex, U.S.A

■ USP: U.S Pharmacopeia