0102030405
L-cystine HCL ???????????????????
?????
L-cystine hydrochloride ????????????????????? crystalline ?????, ????????????????????????????. ??????????????????????? 213-216 ???????????. L-cystine hydrochloride ?????????????????????????????????? decompose. ???????????????????????????????????????????????????????????????, ??????????????????????????????????????. ??????????, ???????????????????????????????????????????????????????????????????????????????????????, ????.
??????????2
?????????????
| L-Cystine | ??????????????? | AJI92 | FCCV |
| ?????? | 98.5-101.5% | 98.5-101.0% | 98.5-101.5% |
| PH | / | 5.0-6.5 | / |
| ???????????????[a]D20 | -215°--225° | -215°--225° | -215°--225° |
| ???????????????[a]D25 | / | / | / |
| ????????????? (T430) | / | ≥98.0% | / |
| chloride(Cl) | ≤0.02% | ≤0.02% | / |
| ????????(NH4) | / | ≤0.02% | / |
| ?????? (SO4) | ≤0.02% | ≤0.02% | / |
| ????????(Fe) | ≤10PPM | ≤20PPM | / |
| ???????? (Pb) | ≤10PPM | ≤10PPM | ≤5PPM |
| ??????? | / | ≤1PPm | / |
| ????? amino ????? | impurities ??????????≤0.2% impurities ???????≤2.0% | ??????? | / |
| ??? Ninhydrin-positive | / | / | / |
| ????????????????? | ≤0.20% | ≤0.20% | ≤0.20% |
| ????????????????? | ≤0.10% | ≤0.10% | ≤0.10% |
