Joaloka moetsi oa litsebi, re ka thabela ho u fa boleng ba boleng bo phahameng L ( ) -Ascorbic acid CAS 50-81-7. 'Me re tla u fa litšebeletso tse ntle ka ho fetisisa tsa ka mor'a ho rekisa le ho fana ka thepa ka nako.
Believe Chemical ke moetsi ea ka sehloohong oa China L() -Ascorbic acid CAS 50-81-7 moetsi, mofani oa thepa le kantle ho naha. Ho khomarela ho lelekisa boleng bo phethahetseng ba lihlahisoa, e le hore L () -Ascorbic acid CAS 50-81-7 ea rona e khotsofatsoe ke bareki ba bangata. Shandong Dumela
Re hantle melemo ea lihlahisoa tsa lik'hemik'hale tšimong. Lihlahisoa tsa rona li romeloa linaheng tse ling ho ea Europe, United States, Japane, Korea Boroa, Asia Boroa-bochabela le linaheng tse ling le libaka. Ka saense le thekenoloji e le tataiso, botšepehi e le motheo, boleng e le bophelo, 'me ho itšetlehile ka khopolo ea khoebo ea popontshwa le ntshetsopele, re tšepa ka tieo ho theha phapanyetsano le tšebelisano e pharaletseng le bareki ba malapeng le ba tsoang linaheng tse ling ho theha nala!
Lebitso la Sehlahiswa |
L ()-Ascorbic acid |
||
Foromo |
C6H8O6 |
Boima ba Molek'hule |
176.12 |
CAS NO. |
50-81-7 |
Bongata |
500KG |
Lintho |
Tlhaloso |
Liphetho |
Ponahalo |
e tshweu ho isa ho phofo e tshehla hanyane |
E lumellana |
Tlhahlobo |
99% | 99.4% |
TS'ELISO |
Sephetho se lumellana le maemo |
Sebaka sa ho qhibiliha 190-194 ° C (Dec.)
Potoloho e khethehileng 20.5 º (C = 10, H2O)
Sebaka se belang 227.71 ° C (khakanyo e boima)
Boima: 1,65g / cm3
Refractive index 21 ° (C = 10, H2O) fema2109 | ascorbicacid
Boemo ba polokelo: 5 ° CTO 30 ° C
Solubility H2O: 50mg / mlat20 ° C, e hlakileng, e haufi le e se nang mebala
Sebopeho: Phofo
Acidity coefficient (PKA) 4.04,11.7 (AT25 â)
Mmala: bosweu ho isa mosehla o kganyang
PH boleng: 3.59 (1mmsolution); 3.04(10mMsolution); 2.53(100mMsolution);
Monko (monkgo) o sa nkheng
Pontšo ea 'mala oa acid-base (pH ea boleng: 1-2.5)
Tshebetso ya mahlo[α] 25/D19.0to23.0°,c=10%inH2O
Ho qhibiliha ha metsi 333g / L (20 ºC)
Synthesis ea organic intermediates.