|
L-盐酸精氨酸
|
|
[产品名称]
|
L-精氨酸盐酸盐
|
|
|
[分子式]
|
C6H14N4O2·HCL
|
|
|
[外观]
|
白色结晶粉末
|
|
 |
 |
|
含量
|
99.0%~101.0%
|
|
|
比旋光度
|
+22.1°~+22.9°
|
|
|
透光率
|
≥98%
|
|
|
氯化物
|
16.6%~17.6%
|
|
|
铵含量(NH4)
|
≤0.020%
|
|
|
硫酸盐(SO4)
|
≤0.020%
|
|
|
铁(Fe)
|
≤10ppm
|
|
|
重金属 (Pb)
|
≤10ppm
|
|
|
砷含量 (As2O3)
|
≤1ppm
|
|
|
其它氨基酸
|
≤0.4%
|
|
|
干燥失重
|
≤0.20%
|
|
|
灼烧残渣
|
≤0.10%
|
|
|
PH值
|
4.7~6. 3
|
|
 |
