L-Cysteine 99% | 52-90-4
Tlhaloso ea Sehlahisoa:
L-cysteine, amino acid e atisang ho fumanoa linthong tse phelang. Ke e 'ngoe ea li-amino acid tse nang le sebabole. E fetoha pherese (e mebala ka lebaka la SH) ka pel'a nitroprusside. E fumaneha liprotheine tse ngata le glutathione. E ka etsa metsoako e sa qhibiliheng ka li-ion tsa tšepe tse kang Ag+, Hg+, le Cu+. mercaptide. Ke hore, RS-M', RSM"-SR (M', M" ke tšepe e le 'ngoe le e fapaneng, ka ho latellana).
Foromo ea molek'hule C3H7NO2S, boima ba molek'hule 121.16. Likristale tse se nang mebala. E qhibiliha ka metsing, acetic acid le ammonia, ha e qhibilihe ka har'a ether, acetone, ethyl acetate, benzene, carbon disulfide le carbon tetrachloride. E ka oxidized ho cystine ka moea ka tharollo e sa nke lehlakore le e fokolang ea alkaline.
Ho sebetsa ha L-Cysteine 99%:
1. E sebelisoa haholo meriana, litlolo, lipatlisiso tsa lik'hemik'hale, joalo-joalo.
2. E sebelisoa ka bohobe ho khothalletsa ho thehoa ha gluten, ho khothalletsa ho belisoa, ho lokolloa ha hlobo, le ho thibela botsofali.
3. E sebelisoa ka lero la tlhaho ho thibela oxidation ea vithamine C le ho thibela lero ho tloha ho sootho. Sehlahisoa sena se na le phello ea detoxification mme se ka sebelisoa bakeng sa chefo ea acrylonitrile le chefo ea acid e monko o monate.
4. Sehlahisoa sena se boetse se na le phello ea ho thibela tšenyo ea mahlaseli 'meleng oa motho, hape ke lithethefatsi bakeng sa phekolo ea bronchitis, haholo-holo e le sethethefatsi sa phlegm (haholo-holo se sebelisoa ka mokhoa oa acetyl L-cysteine methyl ester. Cosmetics. li sebelisoa haholo bakeng sa botle Metsi, perm lotion, sunscreen cream, joalo-joalo.
Matšoao a tekheniki a L-Cysteine 99%:
Ntho ea Tlhahlobo Tlhaloso
Ponahalo Likristale tse tšoeu phofo kapa phofo ea kristale
Identification Infrared absorption spectrum
Potoloho e khethehileng[a]D20° +8.3°~+9.5°
Boemo ba tharollo ≥95.0%
Ammonium (NH4) ≤0.02%
Chloride (Cl) ≤0.1%
Sulfate (SO4) ≤0.030%
Tšepe (Fe) ≤10ppm
Litšepe tse boima (Pb) ≤10ppm
Arsenic ≤1ppm
Tahlehelo ha o omisa ≤0.5%
Masalela a ho khantša ≤0.1%
Tekanyetso 98.0~101.0%
PH 4.5~5.5
