24634-61-5 Potassium Sorbate Granular

  Item Specification Appearance White powder Odor Slight characteristic odor Solubility Freely soluble in water and practically insoluble in ether color of solution 70 Max 1 leat stability No change in color after heating for 90 minutes at 105 "C Light stability No change in color after an hour light Foreign material analysis No obvious foreign material through 0.8 M m filter Identiflcation test (1 ) Potassium test: Pass Test (2) Test of double bonds:Passes Test (3) UV: conforms with standard spectrum (4) Melting point:133.0~135.0 *C Assay 99%~101.0% Alkalinity(as K2CO3) W O.8ml of 0.1 N hydrochloric acid Chloridcfas Cl) 0.018% max Sulfatc(as SO4) 0.020% max Heavy mctals(as Pb) 1 Omg/kg max Arsenic (as As) 3mg/kg max Loss on drying 0.8% max Aldehydes (as formaldehyde): 0.1% max Lead 2mg/kg max Mercury 1 mg/kg max Total Count Colony 1 OOcfu/g max Mould& Yeast