Hydroxypropyl Methylcellulose xogta farsamada
Halkan waxaa ah shax qeexaya qaar ka mid ah xogta farsamada guud ee hydroxypropyl methylcellulose (HPMC):
| Hanti | Qiimaha |
|---|---|
| Qaab dhismeedka kiimikada | Asal ahaan cellulose |
| qaacidada molecular | (C6H7O2(OH)xm(OCH3)yn(OCH2CH3)z)n |
| Miisaanka unugyadu | 10,000 - 1,500,000 g/mol |
| Muuqashada | Caddaan ilaa budo caddaan ah |
| Solubility | Ku milmay biyaha, oo aan milmin organic |
| Kala duwanaanshaha viscosity | 5 - 100,000 mPa·s (waxay kuxirantahay heerka viscosity iyo fiirsashada) |
| Kala duwanaanshaha heerkulka Gelation | 50-90°C (waxay kuxirantahay heerka viscosity iyo fiirsashada) |
| pH kala duwan | 4.0 - 8.0 (1% xal) |
| Quudinta qoyaanka | ≤ 5.0% |
| nuxurka dambaska | ≤ 1.5% |
| Biraha culus | ≤20 ppm |
| Xadka Microbial | ≤ 1,000 cfu/g wadarta tirada microbial aerobic; ≤ 100 cfu/g wadarta khamiirka iyo caaryada la isku daray |
| Haraaga dareerayaasha | U hogaansama USP 467 |
| Qaybinta cabbirka qaybta | 90% qaybuhu waxay ku jiraan 80-250 µm |
| Nolosha shelf | 2-3 sano marka lagu kaydiyo meel qabow oo qallalan |
Waxaa muhiim ah in la ogaado in xogtan farsamo ay kala duwanaan karto iyadoo ku xiran darajada gaarka ah iyo soo saaraha HPMC. Had iyo jeer waxaa lagugula talinayaa inaad la tashato tafaasiisha alaabta ay bixiso soo saaraha ee alaabta gaarka ah ee aad isticmaalayso.
Waqtiga boostada: Mar-04-2023