Ụlọ ọrụ Tiantai Cellulose bụ ọkachamara n'inyocha, mmepe, mmepụta na nkwalite ahịa nke ngwaahịa hydroxypropyl methyl cellulose HPMC. Ịdị ọcha nke HPMC hydroxypropyl methyl cellulose bụ isiokwu ngwaahịa kachasị echegbu ndị nrụpụta na ndị ọrụ. N'ebe a, anyị na-enye ndị nrụpụta hydroxypropyl methyl cellulose okwu mmalite zuru ezu, enwere m olileanya ịgụ iji nyere aka.
Nchọpụta nke ịdị ọcha nke HPMC hydroxypropyl methyl cellulose
Ụkpụrụ ahụ
Hydroxypropyl methyl cellulose HPMC anaghị agbaze na ethanol 80%. Mgbe agbazechara ma saa ya ọtụtụ oge, a na-ekewapụ ethanol 80% agbazere na sample ahụ wee wepụ ya iji nweta hydroxypropyl methyl cellulose HPMC dị ọcha.
Ronye nnọchite anya
Ọ gwụla ma e kwuru ihe ọzọ, naanị ihe ndị e ji mee ihe nyocha gosiri na ha bụ mmiri dị ọcha ma dị ọcha ma ọ bụ mmiri e tinyere n'ime ion ka a ga-eji mee nyocha ahụ.
95% ethanol (GB/T 679).
Ethanol, ihe ngwọta 80%, gwakọta ethanol 95% (E.2.1) 840mL na mmiri ruo 1L.
BMI (GB/T 12591).
Ngwa ahụ
Ngwa ụlọ nyocha a na-ahụkarị
Ihe na-akpali ọkụ magnetik, ogologo mkpanaka na-akpali akpali dị ihe dị ka 3.5cm.
Nchacha ihe mkpuchi, 40mL, oghere 4.5μm ~ 9μm.
Efere elu iko, φ10cm, oghere etiti.
Achịcha, 400 ml.
Mmiri ịsa ahụ okpomọkụ mgbe niile.
Oven, nwere ike ijikwa okpomọkụ na 105℃ ± 2℃.
Mmemme ahụ
Tụọ ihe nlele 3g nke ọma (nke ziri ezi ruo 0.001g) ka ọ bụrụ beaker dị arọ mgbe niile, tinye 150mL 80% ethanol na 60℃ ~ 65℃, tinye mkpanaka magnet n'ime ihe na-akpali okpomọkụ magnet, kpuchie efere elu, tinye thermometer n'ime oghere etiti, gbanye ihe na-akpali okpomọkụ, gbanwee ọsọ mkpali iji zere ịgbasa, ma nọgide na-enwe okpomọkụ na 60℃ ~ 65℃. Na-akpali ya maka nkeji 10.
Kwụsị ịkpali ya, tinye beaker ahụ n'ime mmiri ịsa ahụ nke okpomọkụ ya na-adịru 60℃ ~ 65℃, guzoro otu ebe iji dozie ihe na-anaghị agbaze agbaze, ma wụsa mmiri mmiri ahụ nke dị n'elu ya kpamkpam n'ime ihe nzacha dị arọ mgbe niile.
Tinye 150mL 80% ethanol na 60℃ ~ 65℃ na beaker ahụ, megharịa ọrụ mkpali na nzacha dị n'elu, wee jiri 80% ethanol saa beaker ahụ, efere elu, mkpanaka na temometa ahụ nke ọma na 60℃ ~ 65℃, ka e wee bufee ihe na-anaghị agbaze kpamkpam na crucible ahụ, ma sachaa ihe dị n'ime crucible ahụ ọzọ. A ga-eji mmiri ara ehi eme ihe n'oge a, a ga-ezerekwa ịkpọ nkụ nke achịcha ahụ. Ọ bụrụ na ihe ndị dị n'ime ya agafee na nzacha ahụ, a ga-ebelata mmiri ara ehi ahụ.
Rịba ama: a ga-ahụ na sodium chloride dị na ihe nlele ahụ sachara kpamkpam site na ethanol 80%. Ọ bụrụ na ọ dị mkpa, enwere ike iji mmiri nitrate ọlaọcha 0.1mol/L na 6mol/L nitric acid lelee ma filtrate ahụ nwere ion chloride.
N'okpomọkụ ụlọ, a sachara ihe dị n'ime ite ahụ ugboro abụọ na ethanol 95% na 50mL, mechaa jiri ethyl mi20mL saa ya maka ịsacha nke abụọ. Oge nzacha ekwesịghị ịdị oke ogologo. A tinyere ite ahụ n'ime beaker ma kpoo ya ọkụ na steam bat ruo mgbe ahụghị isi ethyl mi.
Rịba ama: ịsa ahụ na ethyl mi dị mkpa iji wepụ ethanol kpamkpam na ihe na-anaghị agbaze agbaze. Ọ bụrụ na ethanol ewepụghị ya kpamkpam tupu oven akpọọ nkụ, ọ gaghị ekwe omume iwepụ ya kpamkpam n'oge oven na-akpọ nkụ.
A na-etinye ihe e ji kpụọ ihe na beaker n'ime oven na okpomọkụ 105℃±2℃ maka ịkpọ nkụ ruo awa abụọ, wee bufee ya na igwe nkụ maka ịjụ oyi ruo nkeji iri atọ ma tụọ ya, ma kpọọ nkụ ruo awa otu ma tụọ ya ka ọ jụọ oyi ruo mgbe mgbanwe oke ahụ agaghị agafe 0.003g. Ọ bụrụ na oke ahụ amụbaa n'oge nkụ otu awa, oke kachasị ala a hụrụ ga-adị mma.
A gbakọọ nsonaazụ ahụ
A gbakọrọ ịdị ọcha nke HPMC hydroxypropyl methyl cellulose dị ka oke akụkụ P, e wee gosipụta uru ya dị ka %
M1 - oke nke ihe kpọrọ nkụ na-anaghị agbaze, na gram (g);
M0 - Ibu nke ihe nnwale ahụ, na gram (g);
W0 — Mmiri mmiri na ihe na-agbanwe agbanwe nke ihe nlele ahụ,%.
A na-ebelata uru nkezi mgbakọ na mwepụ nke nha abụọ ahụ n'otu ebe dị ka nsonaazụ nha.
Pnkenke
Ọdịiche zuru oke dị n'etiti nha abụọ nọọrọ onwe ha e nwetara n'okpuru ọnọdụ imeghachi ihe agaghị agafe 0.3%, ma ọ bụrụhaala na ihe karịrị 0.3% anaghị agafe 5%.
Oge ozi: Febụwarị-14-2022