Hydroxypropyl Methylcellulose raraunga hangarau
Anei he ripanga e whakaatu ana i etahi raraunga hangarau noa mo te hydroxypropyl methylcellulose (HPMC):
| Taonga | Uara |
|---|---|
| Hanganga matū | Te pärönaki cellulose |
| tātai rāpoi ngota | (C6H7O2(OH)xm(OCH3)yn(OCH2CH3)z)n |
| Awhe taumaha ngota | 10,000 – 1,500,000 g/mol |
| Te ahua | Ma ki te paura ma |
| Wairewa | Ka whakarewahia ki te wai, karekau ki te whakarewa pararopi |
| Awhe pokey | 5 – 100,000 mPa·s (i runga i te kōeke pokey me te kukū) |
| Te awhe o te whakamahana | 50 – 90°C (i runga i te taumata pokey me te kukū) |
| awhe pH | 4.0 – 8.0 (1% otinga) |
| Te ihirangi makuku | ≤ 5.0% |
| ihirangi pungarehu | ≤ 1.5% |
| Nga konganuku taumaha | ≤ 20 ppm |
| Te rohe moroiti | ≤ 1,000 cfu/g mo te tapeke moroiti aerobic; ≤ 100 cfu/g mo te katoa o nga rewena me nga pokepokea |
| Te toenga whakarewa | Ka tutuki ki te USP 467 |
| Te tohatoha rahi matūriki | 90% o nga matūriki kei roto i te 80 – 250 µm |
| Te ora papa | 2-3 tau ka rongoa ki te waahi makariri, maroke |
He mea nui kia mohio koe ka rereke pea enei raraunga hangarau i runga i te karaehe motuhake me te kaihanga o HPMC. I nga wa katoa ka tohutohuhia kia whai korero ki nga whakaritenga hua e whakaratohia ana e te kaiwhakanao mo te hua motuhake e whakamahia ana e koe.
Wā tuku: Maehe-04-2023