粒状山梨酸钾 (超纯水级)

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ITEM	STANDARD
APPEARANCE	WHITE GRANULAR
IDENTIFICATION	1). BROMINE TEST: POSITIVE 2). QUANTITATIVE TEST FOR POTASSIUM SALT: POSITIVE 3).IR: CONFORMS WITH STANDARD SPECTRUM
ASSAY	99.0%- 101.0%
LOSS ON DRYING	=< 0.5%
ODOR	SLIGHT CHARACTERISITC ODOR
HEAT STABILITY	NO CHANGE IN COLOR AFTER HEATING FOR 90 MINUTES AT 105℃
MELTING POINT (℃)	133.0- 135.0
COLOR OF SOLUTION	=< 70
LIGHT STABILITY	NO CHANGE IN COLOR AFTER AN HOUR LIGHT
FOREIGN MATERIAL ANALYSIS	NO OBVIOUS FOREIGN MATERIAL THROUGH 0.8 μm FILTER
ALKANLINITY (AS K2CO3)	=< 0.4 ML OF 0.1N HYDROCHLORIC ACID
CHLORLDE (AS CL)	=< 0.018%
ALDEHYDES (AS HCHO)	=< 0.1%
SULFATE (AS SO4)	=< 0.02%
ARSENIC	=< 3 PPM
LEAD	=< 2 PPM
MERCURY	=< 1 PPM
HEAVY METALS (as PB)	=< 10 PPM
TOTAL PLATE COUNT	=< 100 CFU/ G
MOULD & YEAST	=< 50 CFU/ G
E. COLI	=< 30MPN/ 100G