简要说明：同晟牌的D-亮氨酸 328-38-1产品：估价：1，规格：完善，产品系列编号：齐全

　　 

Item	Standard	Analysis data
Appearance	White fine crystals or White power	conforms
Specific rotation(20/D) (C=4 in 6N HCL)	-14.0 to -16.0°Degree	-15.1°
Chloride (Cl)	Not more than 0.020%	0.018%
Heavy metals(Pb)	Not more than 10ppm	8ppm
Arsenic(As2O3)	Not more than 1ppm	＜1ppm
Other amino acids	Chromatographically Not detectable	conforms
Loss on drying	Not more than 0.20%	0.1%
Residue on ignition(sulfated)	Not more than 0.10%	0.07%
Assay	98.0 to100.5%	99.3%