Hydroxypropyl Methylcellulose data luso
Nayi tebulo lofotokoza zaukadaulo wa hydroxypropyl methylcellulose (HPMC):
| Katundu | Mtengo |
|---|---|
| Kapangidwe ka mankhwala | Chochokera ku cellulose |
| Molecular formula | (C6H7O2(OH)xm(OCH3)yn(OCH2CH3)z)n |
| Kulemera kwa maselo | 10,000 - 1,500,000 g / mol |
| Maonekedwe | Ufa woyera mpaka woyera |
| Kusungunuka | Zosungunuka m'madzi, zosasungunuka mu organic solvents |
| Viscosity range | 5 - 100,000 mPa·s (malingana ndi kalasi ya viscosity ndi kuganizira) |
| Gelation kutentha osiyanasiyana | 50 - 90 ° C (malingana ndi kalasi ya viscosity ndi ndende) |
| pH mlingo | 4.0 - 8.0 (1% yankho) |
| Chinyezi | ≤ 5.0% |
| Phulusa lazinthu | ≤ 1.5% |
| Zitsulo zolemera | ≤ 20 ppm |
| Malire a tizilombo | ≤ 1,000 cfu/g pa chiwerengero chonse cha aerobic microbial; ≤ 100 cfu/g ya yisiti yophatikiza pamodzi ndi nkhungu |
| Zotsalira zosungunulira | Imagwirizana ndi USP 467 |
| Kugawa kukula kwa tinthu | 90% ya tinthu tating'onoting'ono tili mkati mwa 80 - 250 µm |
| Alumali moyo | Zaka 2-3 zikasungidwa pamalo ozizira, owuma |
Ndikofunikira kudziwa kuti izi zaukadaulo zitha kusiyanasiyana kutengera kalasi yeniyeni komanso wopanga HPMC. Nthawi zonse tikulimbikitsidwa kuti mufufuze zomwe zimaperekedwa ndi wopanga zomwe mukugwiritsa ntchito.
Nthawi yotumiza: Mar-04-2023