Vitamin ether bụ ihe a na-ejikarị eme ihe na ntụ ntụ ntụ. Hydroxypropyl methyl cellulose ether na-arụ ọrụ dị mkpa na ntụ ntụ ntụ. Mgbe ether cellulose dị na ngwa agha gbazere na mmiri, a na-ekwe nkwa gluu n'ihi ọrụ elu. A na-ekesa ihe mkpuchi ahụ nke ọma na nke ọma na sistemu, yana hydroxypropyl methylcellulose ether, dị ka colloid na-echebe, "na-ekechi" ahụ siri ike ma mepụta oyi akwa nke ihe nkiri mmanụ n'elu elu ya, na-eme ka usoro ngwa agha dịkwuo mma ma na-emeziwanye mmiri mmiri nke ngwa agha n'oge usoro ngwakọta na ịdị nro nke ihe owuwu ahụ.
N'ihi usoro ihe omimi nke ya, ihe ngwọta cellulose ether na-eme ka mmiri dị na ngwa ngwa ghara ịdị mfe, ma jiri nwayọọ nwayọọ hapụ ya ogologo oge, na-enye ngwa agha ahụ nke ọma njide mmiri na ịrụ ọrụ. Njide mmiri nke hydroxypropyl methyl cellulose ether: Ọ bụ ihe kachasị mkpa na nke bụ isi. Njide mmiri na-ezo aka n'oke mmiri nke ngwa ngwa agwakọtara ọhụrụ nwere ike idowe ka ọ rụchara ọrụ capillary na isi ihe na-amịkọrọ. A na-achịkọta usoro nyocha ndị a maka njide mmiri nke cellulose ether maka mkparịta ụka.
Usoro oghere
N'oge nnwale, jupụta Buchner funnel na ngwa agha agwakọta na mmiri, tinye ya na mmiri nzacha karama, na-amalite na agụụ mgbapụta, na-arụ ọrụ filtration maka 20 nkeji n'okpuru ọjọọ nrụgide nke (400± 5) mm Hg. Mgbe ahụ, dị ka ọnụ ọgụgụ mmiri dị na slurry tupu na mgbe emechara nsị, gbakọọ ọnụego njide mmiri dị ka ndị a.
usoro nzacha akwụkwọ
A na-ekpebi njide mmiri nke cellulose ether site na ntinye mmiri nke akwụkwọ nzacha. Ihe mejupụtara ya bụ ihe mgbanaka mgbanaka igwe nwere ogo ụfọdụ, akwụkwọ nzacha na efere nkwado iko. Enwere mpempe akwụkwọ nzacha 6 n'okpuru ụdị ule, nke oyi akwa nke mbụ bụ akwụkwọ nzacha ngwa ngwa, nke ọzọ 5 bụ akwụkwọ nzacha ngwa ngwa. Jiri nguzozi ziri ezi buru ụzọ tụọ ịdị arọ nke pallet na akwa 5 nke akwụkwọ nzacha ngwa ngwa, wụsa ngwa agha ahụ n'ime ihe nnwale ahụ mgbe agwakọtara ya ma kpochaa ya, tinye ya maka nkeji 15: wee tụọ ịdị arọ nke pallet na 5 n'ígwé nke nwayọọ nyo akwụkwọ arọ.
Oge nzipu: Eprel-23-2023