品牌:同晟 | 产地:本地 | 价格:1人民币/公斤 | 规格:完善 | 简要说明: 同晟牌的D-酪氨酸 556-02-5 产品:估价:1,规格:完善,产品系列编号:齐全 | | | | 详细介绍:
Item
|
Standard
|
Analysis data
|
Specific rotation[α]20/D
(C=5,1mol/L HCL)
|
+10.5° to +12.3°
|
+10.8°
|
Chloride (Cl)
|
Not more than 0.10%
|
0.02%
|
Sulfate (SO4)
|
Not more than 0.2%
|
0.005%
|
Heavy metal(Pb)
|
Not more than 10ppm
|
<10ppm
|
Arsenic(As2O3)
|
Not more than 2ppm
|
<2ppm
|
Loss on drying
|
Not more than 0.20%
|
0.19%
|
Assay
|
98.0% to101.0%
|
99.0%
|
|
|