L-Ornithine L-Aspartate CAS 3230-94-2 (L-Orn-L-Asp) Kev Ntsuam Xyuas 98.0 ~ 102.0%

3230-94-2 - Qauv
Muab xam raws li cov khoom qhuav, tsis muaj tsawg dua 98.0% ntawm C5H12N2O2·C4H7NO4.
3230-94-2 - Ib
Cov khoom no yog siv lead ua dawb los yog crystalline hmoov;Tsis muaj ntxhiab, nrog hygroscopicity.
Cov khoom no yog soluble nyob rau hauv dej los yog acetic acid, me ntsis soluble nyob rau hauv methanol los yog ethanol, thiab yuav luag insoluble nyob rau hauv chloroform los yog acetone.
Kev sib hloov tshwj xeeb
Noj cov khoom no, precision hnyav, ntxiv hydrochloric acid tov (6-10) kom yaj thiab dilute cov tshuaj uas muaj 80mg ib lm l, kev txiav txim raws li txoj cai (General 0621), qhov kev sib hloov yog 27.0 ° rau 30.0 °.
3230-94-2 - Kev kuaj mob sib txawv
Noj li 10 mg ntawm cov khoom no, ntxiv 2ml dej kom yaj, ntxiv txog 2mg ntawm ninhydrin, cua sov, cov tshuaj qhia tau hais tias xiav ntshav.
Lub infrared absorption spectrum ntawm cov khoom no yuav tsum ua raws li cov khoom siv (Txoj cai 0402).
3230-94-2 - Exam
Acidity
Noj 0.5g ntawm cov khoom no, ntxiv dej 20ml kom yaj, raws li txoj cai (General 0631), pH tus nqi yuav tsum yog 6.0 ~ 7.0.
Transmittance ntawm kev daws
Noj 0.5g ntawm cov khoom no, ntxiv dej 20ml kom yaj, raws li UV-pom spectrophotometry (Txoj cai lij choj 0401), txiav txim siab transmittance ntawm 430mn wavelength, tsis tsawg dua 98.0%.
tshuaj chloride
Noj 0.10g ntawm cov khoom no thiab xyuas nws raws li txoj cai (Txoj cai 0801).Piv nrog rau kev tswj cov tshuaj ua los ntawm 0.03% ntawm tus qauv sodium chloride tov, nws yuav tsum tsis txhob muaj ntau concentrated ().
Sulfate
Noj 1.0g ntawm cov khoom no thiab xyuas nws raws li txoj cai (Txoj cai 0802).Piv nrog rau kev tswj kev daws teeb meem ua los ntawm 0.02% ntawm cov txheej txheem potassium sulfate tov, nws yuav tsum tsis txhob muaj ntau concentrated ().
Ammonium ntsev
Noj 0.10g ntawm cov khoom no thiab xyuas nws raws li txoj cai (Txoj cai 0808).Piv nrog rau kev tswj cov tshuaj ua los ntawm 0.04% ntawm cov txheej txheem ammonium chloride tov, nws yuav tsum tsis txhob tob ().
Poob rau ziab
Noj cov khoom no, qhuav kom qhov hnyav tas li ntawm 120 ° C, qhov hnyav yuav tsum tsis pub tshaj 7.0% (Txoj cai 0831).
Ignition residue
Cov khoom no 1.0 g, tshuaj xyuas raws li txoj cai (General 0841), cov seem yuav tsum tsis pub tshaj 0.2%.
Hlau ntsev
Noj 0.5g ntawm cov khoom no thiab xyuas nws raws li txoj cai (Txoj cai 0807).Piv nrog rau kev tswj kev daws teeb meem ua los ntawm 0.003% ntawm cov txheej txheem hlau tov, nws yuav tsum tsis txhob tob dua ().
Cov hlau hnyav
Noj cov khoom no 1.0g, tshuaj xyuas raws li txoj cai (Cov Ntsiab Cai 0821 thib ob txoj cai), suav nrog cov kub hnyav yuav tsum tsis pub tshaj 10 feem ntawm ib lab.
Arsenic ntsev
Noj 1.0g ntawm cov khoom no, ntxiv 23ml dej kom yaj, ntxiv 5ml ntawm hydrochloric acid, xyuas raws li txoj cai (Txoj cai 0822 thawj txoj cai), yuav tsum ua raws li cov kev cai (0.0002%).
3230-94-2 - Kev txiav txim siab txog cov ntsiab lus
Noj cov khoom no txog 70mg, precision hnyav, ntxiv anhydrous formic acid 5ml thiab ice fermented acid 50ml yaj, raws li txoj cai muaj peev xwm titration (Txoj cai 0701), nrog perchloric acid titration tov (0.1 mol / L) titration, thiab cov txiaj ntsig ntawm qhov titration raug kho nrog ib qho kev kuaj dawb.Txhua 1 ml ntawm perchloric acid titration tov (0.1 mol / L) sib raug rau 8 84mg ntawm C5H12N202·C4H7NO4.