The infrared absorption spectrum of the sample is concordant with that of the standard
Identification B
It complies with the test (see tests )
Identification C
A red color develops
Identification D
It complies with the test for water(see Tests )
Appearance of solution
The solution is clear and not more intensely coloured than reference solution BY7
Acidity or alkalinity
Add 0.3mL of phenolphthalein solution R. The solution is colourless. Not more than 0.4mL of 0.1N sodium hydroxide is required to change the colour of the indicator to pink
Specific optical rotation
+54.4°~+55.9°, calculated with reference to the anhydrous substance
Absorbance
The absorbance of the solution measured at 400nm is not greater than 0.04. Dilute 1.0 ml of solution A to 10.0 ml with water R. Examine the solution from 210nm to 300nm. At wavelengths from 210nm to 220nm, the absorbance is no greater than 0.25. At wavelengths from 270nm to 300nm, the absorbance is not greater than 0.07
Lactose is white,tasteless,crystalline powder.It has good compressibility and miscibility due to its fine particle and high specific surface area.This product complying with the requests of USP/EP/BP/JP and CP standard,which widely applied to the wet granulation,it can meet differrent needs owing to its various particle size distribution(40Mesh,60Mesh,80Mesh,100Mesh,120Mesh, 200Mesh,300Mesh).
