简要说明：同晟牌的精氨酸-天门冬氨酸   7675-83-4产品：估价：1，规格：完善，产品系列编号：齐全

　　 

Item	Standard	Analysis data
Appearance	White or almost crystalline                 powder	Conforms
Specific rotation[α]20/D (C=8 in 6N HCl)	+25°to +27°	25.8°
Chloride (Cl)	Not more than 0.05%	0.018%
Sulfate (SO4)	Not more than 0.03%	0.018%
Heavy metal(Pb)	Not more than 20ppm	8ppm
Ammonium(NH4)	Not more than 0.02%	<0.02%
Loss on drying	Not more than 3.0%	0.45%
Residue on ignition(sulfated)	Not more than 0.1%	0.08%
Assay	98.5% to 101.0%	99.1%
PH	5.5 to 7.0	6.5
Total Plate Count	<1000 cfu / g	Conforms
Yeast&Molds	<100 cfu / g	Conforms
Salmonella	Absent/10g	Conforms
E.Coli	Absent/10g	Negative
S.aureus	Absent/10g	Negative