0102 ib0304 ib05
L-cystine HCL muaj kev ruaj ntseg zoo
Taw qhia
L-cystine hydrochloride feem ntau yog dawb crystalline hmoov, soluble nyob rau hauv dej thiab cawv solvents. Nws melting point yog hais txog 213-216 degrees Celsius. L-cystine hydrochloride muaj kev ruaj ntseg zoo thiab tsis yooj yim rau decompose. Nws yog ruaj khov nyob rau hauv nruab nrab los yog me ntsis acidic tej yam kev mob, thiab yuav decompose nyob rau hauv alkaline tej yam kev mob. Tsis tas li ntawd, lub compound yog rhiab heev rau lub teeb thiab cua sov thiab yuav tsum tau muab cia rau hauv qhov chaw txias, qhuav.
piav 2
Specification
L-Cystine | USA Index | UA 92 | FCCV |
Assay | 98.5-101.5% | 98.5-101.0% | 98.5-101.5% |
PH | / | 5.0-6.5 | / |
Kev sib hloov tshwj xeeb[a]D20 | -215 ° -225 ° | -215 ° -225 ° | -215 ° -225 ° |
Kev sib hloov tshwj xeeb[a]D25 | / | / | / |
Kev xa tawm (T430) | / | ≥98.0% | / |
Chloride (Cl) | ≤0.02% | ≤0.02% | / |
Ammonium (NH4) | / | ≤0.02% | / |
Sulfate (SO4) | ≤0.02% | ≤0.02% | / |
Hlau (Fe) | ≤10PPM | ≤20PPM | / |
Cov hlau hnyav (Pb) | ≤10PPM | ≤10PPM | ≤5PPM |
Arsenic | / | ≤ 1 ppm | / |
Lwm cov amino acids | tus kheej impurities≤0.2% tag nrho impurities≤2.0% | ua raws | / |
Ninhydrin-zoo tshuaj | / | / | / |
Poob rau ziab | ≤ 0.20% | ≤ 0.20% | ≤ 0.20% |
Residue ntawm ignition | ≤0.10% | ≤0.10% | ≤0.10% |


