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L-cystine HCL ina utulivu mzuri
Utangulizi
L-cystine hydrochloride kwa ujumla ni poda nyeupe ya fuwele, mumunyifu katika maji na vimumunyisho vya pombe. Kiwango chake cha kuyeyuka ni takriban nyuzi 213-216 Celsius. L-cystine hydrochloride ina utulivu mzuri na si rahisi kuharibika. Ni imara zaidi chini ya hali ya upande wowote au tindikali kidogo, na itaoza chini ya hali ya alkali. Kwa kuongeza, kiwanja ni nyeti kwa mwanga na joto na inahitaji kuhifadhiwa mahali pa baridi, kavu.
maelezo2
Vipimo
L-cystine | Kielezo cha USA | AJI92 | FCCV |
Uchambuzi | 98.5-101.5% | 98.5-101.0% | 98.5-101.5% |
PH | / | 5.0-6.5 | / |
Mzunguko mahususi[a]D20 | -215°--225° | -215°--225° | -215°--225° |
Mzunguko mahususi[a]D25 | / | / | / |
Usafirishaji (T430) | / | ≥98.0% | / |
Kloridi(Cl) | ≤0.02% | ≤0.02% | / |
Amonia(NH4) | / | ≤0.02% | / |
Sulfate(SO4) | ≤0.02% | ≤0.02% | / |
Chuma(Fe) | ≤10PPM | ≤20PPM | / |
Metali nzito (Pb) | ≤10PPM | ≤10PPM | ≤5PPM |
Arseniki | / | ≤1PPm | / |
Asidi zingine za amino | uchafu wa mtu binafsi≤0.2% jumla ya uchafu≤2.0% | kuendana | / |
Dutu chanya ninhydrin | / | / | / |
Kupoteza kwa kukausha | ≤0.20% | ≤0.20% | ≤0.20% |
Mabaki juu ya kuwasha | ≤0.10% | ≤0.10% | ≤0.10% |


