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% |


