Appearance White crystal powder
HEAVY METALS(AS PB) 0 ~0.001%
LOSS ON DRYING 0 ~0.1%
IRON(FE) 0 ~0.0002%
PURITY(IODOMETRIC TITRATION) 99 ~101%
SPECIFIC ROTATION [A]20/D(C=10，H2O) 20.5 ~21.5°
CLARITY OF SOLUTION C=10 in H2O，Clear
INFRARED SPECTRUM Conforms to Structure