Analiza vpliva vsebnosti magnezijevega stearata v sestavi tablete na dinamiko absorpcije vode
Ofak, Matevž ...
V tem prispevku je analiziran vpliv različnih vsebnosti magnezijevega stearata (MgSt), ki je prisoten na površini tablete (jedra), na hitrost in globino absorpcije vode. Meritve so bile izvedene s ...pomočjo natančnega odlaganja obarvane kapljice vode na prerezano tableto in opazovanja širjenja fronte omočenja s pomočjo video kamere in termografske kamere. Rezultati analize kažejo, da 1% vsebnost MgSt v zmesi jedra povzroči 3-krat krajši čas vpijanja v vertikalni smeri v primerjavi s 3% vsebnostjo, 7% vsebnost pa 5-krat daljši čas v primerjavi s 3%. Višja vsebnost magnezijevega stearata povzroči počasnejšo absorpcijo vode v vertikalni in radialni smeri, hkrati pa zagotovi enakomernejšo hitrost prodiranja.
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