Hydroxypropyl Methylcellulose (HPMC) 2910, E5 yog qib tshwj xeeb ntawm HPMC uas ua tau raws li cov qauv uas tau teev tseg hauv Tebchaws Meskas Pharmacopeia (USP) 42.
1. HPMC 2910: HPMC 2910 yog hais txog qib lossis hom HPMC.Cov lej hauv qhov kev xaiv no qhia txog ntau yam khoom thiab cov yam ntxwv ntawm HPMC, xws li nws cov viscosity, qib ntawm kev hloov pauv, thiab qhov hnyav molecular faib.Nyob rau hauv rooj plaub ntawm HPMC 2910, "2910" feem ntau qhia cov viscosity ntawm HPMC thaum yaj hauv dej ntawm ib qho tshwj xeeb concentration thiab kub.
2. E5: “E5″ ntxiv qhia txog qib ntawm HPMC nyob rau hauv qeb HPMC 2910.Qhov kev xaiv no tuaj yeem xa mus rau qhov tshwj xeeb tsis zoo, xws li qhov loj me me, qhov dej noo, lossis lwm yam khoom zoo uas cuam tshuam rau daim ntawv thov.
3. USP 42: USP 42 yog hais txog Tebchaws Meskas Pharmacopeia, uas yog cov ntaub ntawv qhia txog tshuaj, cov qauv, thiab cov txheej txheem lees paub thiab siv thoob ntiaj teb.USP teeb tsa cov qauv rau tus kheej, qhov zoo, purity, lub zog, thiab sib xws ntawm cov tshuaj, cov ntawv ntau npaum li cas, thiab cov khoom noj khoom haus.Ua raws li USP cov qauv ua kom ntseeg tau tias cov khoom siv tshuaj ua tau raws li cov kev cai nruj thiab kev nyab xeeb.
4. Lub luag haujlwm thiab Daim Ntawv Thov: HPMC 2910, E5 USP 42 feem ntau yog siv rau hauv cov tshuaj formulations uas yuav tsum tau ua raws li USP cov qauv.Nws cov qib viscosity tshwj xeeb thiab qhov tsis zoo ua rau nws haum rau ntau yam kev siv, suav nrog:
- Cov ntsiav tshuaj txheej
- Tswj-tso formulations
- Ophthalmic daws
- Cov tshuaj pleev ib ce
- Suspensions thiab emulsions
- Binder thiab disintegrant nyob rau hauv cov ntsiav tshuaj thiab tsiav tshuaj
5. Kev Ua Tau Zoo thiab Kev Tswj Xyuas Kev Ua Tau Zoo: Raws li qib HPMC ua raws li USP cov qauv, HPMC 2910, E5 ua tau raws li cov kev cai nruj thiab kev tswj hwm uas tau teev tseg los ntawm USP.Qhov no ua kom zoo ib yam, purity, thiab kev nyab xeeb hauv cov tshuaj formulations.Cov neeg tsim khoom thiab cov tuam txhab tshuaj tuaj yeem tso siab rau HPMC 2910, E5 USP 42 rau kev ua tau zoo thiab ua raws li cov qauv kev cai.
Hauv cov ntsiab lus, Hydroxypropyl Methylcellulose (HPMC) 2910, E5 USP 42 yog qib tshwj xeeb ntawm HPMC uas ua tau raws li cov qauv zoo uas tau teev tseg hauv Tebchaws Meskas Pharmacopeia (USP) 42. Nws qhov kev xaiv qhia nws qib viscosity, tsis zoo, thiab ua raws li USP cov qauv. , ua rau nws haum rau ntau yam kev siv tshuaj uas ua raws li cov kev cai thiab kev tswj hwm yog qhov tseem ceeb.
Lub sij hawm xa tuaj: Mar-18-2024