|
D-脯氨酸
|
|
[产品名称]
|
D-脯氨酸
|
|
|
[分子式]
|
C5H9NO2
|
|
|
[外观]
|
白色结晶粉末
|
|
|
含量
|
98.0%~101.0%
|
|
|
比旋光度
|
+83.5°~+86.5°
|
|
|
透光率
|
≥95%
|
|
|
氯化物
|
≤0.1%
|
|
|
重金属 (Pb)
|
≤10ppm
|
|
|
砷含量 (As2O3)
|
≤2ppm
|
|
|
干燥失重
|
≤0.5%
|
|
|
灼烧残渣
|
≤0.2%
|
|