Lactose CAS NO.63-42-3

Lactose ANALYSIS AS PER USNF 27 Items of Test Standard Result of Test Identification Meets Meets Specific rotation +54.4~…

Lactose ANALYSIS AS PER USNF 27 Items of Test Standard Result of Test Identification Meets Meets Specific rotation +54.4~+55.9 +54.7 Acidity or alkalinity Add 0.3ml of phenolphthalein TS: the solution is colorless, and not more than 0.4ml of 0.1N sodium hydroxide is required of produce a red color Meets Loss on drying % ≤0.5 0.04 Water % ≤1.0 0.3 Heavy metals(as Pb) % ≤0.0005 less than0.0005 Residue on ignition% ≤0.1 less than0.03 Protein and light-absorbing impurities The absorbance divided by the path length in centimeters is not more than 0.25 in the range of 210 to 220nm and is not more than 0.07 in the range of 270 to 300nm Meets 2. TPC, Escherichia coli, mould and yeast TPC (cfu/g) less than100 less than10 Yeast & mould (cfu/g) less than50 less than10 Escherichia Absence Not detected Conculsion It comply with the standard USNF 27