Kampani ya Tianai Cellose imakhala ndi kafukufuku wofufuza, kupanga, kupanga ndi kutsatsa malonda kwa hydroxypropyl mankhwala cellose zinthu za HPMC. Kuyera kwa HPMC hydropypyl methy cellulose ndiye mutu womwe umakhudzidwa kwambiri ndi opanga ndi ogwiritsa ntchito. Apa ife tikudziwa methyl cellulose opanga kupereka mawu mwatsatanetsatane, ndikuyembekeza kuwerenga.
Kutsimikiza kwa Kuyera kwa HPMC hydroxypyll cellulose
Mtengo
Hydroxypropyl methy cellulose hpmc ndi influble mu 80% ethanol. Pambuyo kusungunula ndikutsuka nthawi zambiri, 80% ethanol kusungunuka mu zitsanzo kumalekanitsidwa ndikuchotsedwa kuti apeze ma hydroxypropyl wa methyl hpmc.
Rkumangika
Pokhapokha ngati zitanenedwa, zotsalira zokha zimatsimikiziridwa kuti ndizopepuka ndi madzi osungunuka kapena oganiza bwino kapena madzi ofalikirawo adzagwiritsidwa ntchito powunikira.
95% ethanol (GB / T 679).
Ethanol, 80% yankho, kuchepetsa 95% ethanol (E.2.1) 840ml ndi madzi mpaka 1l.
BMI (GB / T 12591).
Chipangizo
Zida zodziwika bwino za labotale
Kutenthetsa magnetic, kutalika kwa ndodo kutalika kwa 3.5cm.
Kusefukira koopsa, 40ml, kukhazikika 4.5μm ~ 9μm.
Galasi Lamtunda, φ10CM, Central Bowo.
Beaker, 400ml.
Kusamba kwamadzi mosalekeza.
Uvuni, amatha kuwongolera kutentha pa 105 ℃ ± 2 ℃.
Pulogalamu
Malingaliro owoneka bwino 3G (okwanira 0,001G) kukhala ocheperako, onjezerani matsenga otenthetsera, ndikusintha magetsi otenthetsera, ndikusintha kutentha kwa 60 ℃ ~ 65 ℃. Kusunthira kwa mphindi 10.
Lekani kusasunthika, ikani chomera chosambira chosambira cha 60 ℃ ~ 65 ~ imitsanibe kuti muchepetse matenda ocheperako, ndikutsanulira madzi osasinthika mokwanira.
Onjezani 150ml 80% Ethanol pa 60 ℃ ~ 65 ~ ℃ ℃ ℃ ℃ Soultome, kenako ndikusambitsa zomwe zili zopambana. Kuyamwa kuyenera kugwiritsidwa ntchito panthawi imeneyi ndikuwuma kwa keke kuyenera kupewedwa. Ngati tinthu tating'onoting'ono timadutsa mu Fyuluta, kuyanjana kumayenera kuchepetsedwa.
Chidziwitso: Ziyenera kutsimikiziridwa kuti sodium chloride mu sampuyi idatsukidwa kwathunthu ndi 80% Ethanol. Ngati ndi kotheka, 0.1mol / l siliva nitrate yankho ndi 6mol / l nitric acid ikhoza kugwiritsidwa ntchito ngati kasefa muli zosefera zili ndi ma ayoride.
Kutentha kwake, zomwe zili zopachikidwako zidasambitsidwa kawiri ndi 95% ethanol pa 50ml, kenako ndikufika ethyl mi20ml kutsuka kwachiwiri. Nthawi yosewerera siyenera kukhala yayitali kwambiri. Wopsinjika adayikidwa mu chomera ndikutenthetsa pa madzi osamba mpaka panja palibe fungo la ethyl mil adapezeka.
Chidziwitso: Kutsuka ndi ethyl mi ndikofunikira kuti muchotsetu ethanol kuchokera pazinthu zosatheka. Ngati Ethanol sanachotsedwe kwathunthu kuyanika, kuchotsedwa kwathunthu sikutheka nthawi yowuma.
The wopachikidwa ndi wobala zitsulo adayikidwa mu 105 ℃ ℃ ± 2 ℃ chifukwa choyanika kwa 2h, kenako ndikusamukira, ndikuwuma chifukwa cha zozizira kwambiri. Pakakhala misa ikuwonjezeka nthawi ya 1h ndikuwumitsa, wotsika kwambiri adzaonekere.
Zotsatira zowerengedwa
Kuyera kwa HPMC hydropypyl methyl cellulose idawerengeredwa ngati chidutswa cha p, ndipo mtengo wake udawonetsedwa monga%
M1 - Zambiri za chinthu chopuwala chopanda, mu magalamu (g);
M0 - unyinji wa chiyesocho, mu magalamu (g);
W0 - chinyezi komanso chosasunthika cha zitsanzo,%.
Njira ya masamu imatanthawuza kuchuluka kwa miyeso iwiri yofananayo imachepetsedwa kukhala gawo limodzi monga momwe mukuyezera.
Pkufufuza
Kusiyanitsa kwakukulu pakati pa miyeso iwiri yodziimira yomwe idaperekedwa pansi pa nthawi yobwereza si yayikulu kuposa 0.3%, yoperekedwa kuti wamkulu kuposa 0,3% saposa 5%.
Post Nthawi: Feb-14-2022