Sodium Ascorbate |134-03-2 : kuv
Khoom Description
Sodium Ascorbate yog dawb los yog lub teeb daj crystalline khoom, lg ntawm cov khoom tuaj yeem yaj hauv 2 ml dej.Tsis soluble nyob rau hauv benzene, ether chloroform, insoluble nyob rau hauv ethanol, zoo li ruaj khov nyob rau hauv qhuav huab cua, noo noo nqus thiab dej tov tom qab oxidation thiab decomposition yuav qeeb, tshwj xeeb tshaj yog nyob rau hauv nruab nrab los yog alkaline kua yog oxidized sai heev. preservative nyob rau hauv cov khoom noj khoom haus kev lag luam; uas muaj peev xwm ua kom cov zaub mov xim, ntuj tsw, ntxiv txee lub neej.Mainly siv rau nqaij, khoom noj siv mis, dej haus, kaus poom thiab hais txog.
Specification
| Yam khoom | STANDARD |
| Qhov tshwm sim | Dawb rau me ntsis daj crystalline hmoov |
| Kev txheeb xyuas | Qhov zoo |
| Assay (as C 6H 7NaO 6) | 99.0 - 101.0% |
| Kev sib hloov kho qhov muag tshwj xeeb | +103 ° - +106 ° |
| Clarity ntawm kev daws | Ntshiab |
| pH (10%, W / V) | 7.0-8.0 Nws |
| Poob rau ziab | = <0.25% |
| Sulphate (mg / kg) | = <150 |
| Tag nrho cov hlau hnyav | =<0.001% |
| Coj | =<0.0002% |
| Arsenic | =<0.0003% |
| Mercury | =<0.0001% |
| Zinc | =<0.0025% |
| Tooj | =<0.0005% |
| Residual Solvents (raws li Menthanol) | = <0.3% |
| Tag nrho cov phaj suav (cfu / g) | = <1000 |
| Poov xab & pwm (cuf/g) | =<100 |
| E.coli/g | Tsis zoo |
| Salmonella / 25g | Tsis zoo |
| Staphylococcus aureus / 25g | Tsis zoo |
