PVP-K30 Cas: 9003-39-8 Fari zuwa farin foda mai launin rawaya
| Lambar Catalog | Saukewa: XD90232 |
| Sunan samfur | Saukewa: PVP-K30 |
| CAS | 9003-39-8 |
| Tsarin kwayoyin halitta | C8H15N |
| Nauyin Kwayoyin Halitta | 141.2108 |
| Bayanin Ajiya | yanayi |
| Harmonized Tariff Code | Farashin 3905990 |
Ƙayyadaddun samfur
| Ruwa | <5% |
| Karfe masu nauyi | <10ppm |
| pH | 3 - 7 |
| Ragowa akan Ignition | <0.1% |
| Aldehydes | 0.05% max |
| Nitrogen | 11.5 - 12.8% |
| Bayyanar | Fari zuwa farin foda mai rawaya |
| K daraja | 27-32.4 |
| Hydrazine | 1.0% max |
| Assay | 99% |
Mun bincika kwanciyar hankali na jiki na tarwatsawar curcumin amorphous da kuma rawar haɗin gwiwar intermolecular curcumin-polymer a cikin jinkirta crystallization.Curcumin wani fili ne mai ban sha'awa samfurin kamar yadda yake samar da haɗin haɗin intra da intermolecular hydrogen a cikin crystal.An bincika nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'i na amorphous disperssion polymers;poly (vinylpyrrolidone), Eudragit E100, carboxymethyl cellulose acetate butyrate, hydroxypropyl methyl cellulose (HPMC) da HPMC-acetate succinate.An yi amfani da spectroscopy na tsakiya-infrared don ƙayyade da ƙididdige girman hulɗar curcumin-polymer.An kula da kwanciyar hankali na jiki a ƙarƙashin yanayi daban-daban na muhalli ta hanyar foda X-ray diffraction.An kula da kwanciyar hankali na sinadaran Curcumin ta UV-Vis spectroscopy.Warewa curcumin amorphous barga yana da wahala idan babu polymers.Polymers sun tabbatar da kasancewa masu hanawa na curcumin crystallization masu tasiri waɗanda ke ba da damar samar da ingantaccen tarwatsawar amorphous;duk da haka, polymers sun nuna iyawa daban-daban don hana crystallization a lokacin ajiya na dogon lokaci.Curcumin intramolecular hydrogen bonding ya rage girman haɗin hydrogen tare da polymers;Don haka yawancin polymers ba su kasance masu hana crystallization masu tasiri sosai ba.Gabaɗaya, polymers sun tabbatar da kasancewa masu hana crystallization, amma hanawa ya iyakance saboda haɗin haɗin hydrogen na intramolecular a cikin curcumin, wanda ke haifar da raguwar ikon polymers don yin hulɗa a matakin ƙwayoyin cuta.
