|
|
| |
|
 产品导航
L-羟基脯氨酸
| 检测项目 |
标准 |
| 性状 |
White crystals or
crystalline powder |
| 鉴别 |
Meets the requirements |
| 比旋光度 [α]20D |
-74.0°to -77.0° |
| 溶液的透过率 |
not less than 95.0% |
| 氯化物 |
not more than 0.020% |
| 铵盐(NH4+) |
not more than 0.02% |
| 硫酸盐 (SO42- ) |
not more than 0.020% |
| 铁盐(Fe) |
not more than 10PPM |
| 重金属 (Pb) |
not more than 10PPM |
| 砷盐 (As2O3) |
not more than 1PPM |
| 其它氨基酸 |
chromatographically
not detectable |
| 干燥失重 |
not more than 0.2% |
| 灼烧残渣 |
not more than 0.1% |
L-Hydroxyproline content
(dry basis) |
98.5% - 101.0% |
| PH |
5.0 - 6..5 |
|
| |
|
