简要说明：同晟牌的乙酰-L-亮氨酸    1188-21-2 产品：估价：1，规格：完善，产品系列编号：齐全

　　 

Items	Standard	Analysis data
Appearance	White powder	conforms
Specific Rotation [20/D] (C=4 in methanol)	-22.0 to -26.0°	-24.0°
State of Solution(Transmittance)	Not less than 98.0%	98.2%
Heavy Metals (Pb)	Not more than 20 PPM	6ppm
Iron (Fe)	Not more than 10ppm	8ppm
Arsenic (As2O3)	Not more than 2 PPM	<2ppm
Chloride (Cl)	Not more than 0.020%	0.018%
Loss on Drying	Not more than 0.35%	0.18%
Residue on Ignition	Not more than 0.2%	0.09%
Assay	98.0% to 102.0%	99.0%