Ho lokisetsa tharollo ea methylcellulose ho kenyelletsa mehato e mengata le ho nahanisisa, ho kenyelletsa le ho khetha sehlopha se nepahetseng sa methylcellulose, ho khetholla mahloriso a lakatsehang, le ho netefatsa ho qhibiliha ka nepo.Methylcellulose ke motsoako o sebetsang ka mefuta-futa o sebelisoang haholo liindastering tse fapaneng, ho kenyeletsoa meriana, lijo le litlolo, ka lebaka la thepa ea eona e teteaneng, ea gelling le e tsitsitseng.
1. Ho khetha Kereiti ea Methylcellulose:
Methylcellulose e fumaneha ka limaraka tse fapaneng, e 'ngoe le e' ngoe e na le viscosity e fapaneng le thepa ea gelation.Khetho ea kereiti e ipapisitse le ts'ebeliso e reriloeng le litšobotsi tse lakatsehang tsa sehlahisoa sa ho qetela.Mephato e nang le viscosity e phahameng hangata e sebelisoa bakeng sa lits'ebetso tse hlokang litharollo tse teteaneng kapa li-gel, athe limaraka tse tlase tsa viscosity li loketse mekelikeli e mengata.
2. Ho Khetholla Boikutlo bo Batloang:
Khatiso ea tharollo ea methylcellulose e tla ipapisa le litlhoko tse ikhethileng tsa kopo ea hau.Likhakanyo tse phahameng li tla fella ka litharollo tse teteaneng kapa li-gel, ha likhahla tse tlase li tla ba metsi a mangata.Ho bohlokoa ho tseba hore na mahloriso a nepahetseng a ipapisitse le ts'ebeliso e reriloeng, ho nahanoa ka lintlha tse kang viscosity, botsitso le ho lumellana le lisebelisoa tse ling.
3. Thepa le Lisebelisoa:
Pele o qala ts'ebetso ea ho lokisa, bokella lisebelisoa le lisebelisoa tsohle tse hlokahalang:
Methylcellulose phofo
Metsi a hloekisitsoeng kapa solvent e 'ngoe e loketseng
Thepa e hlohlelletsang (mohlala, magnetic stirrer kapa mechanical stirrer)
Silindara e alotsoeng kapa senoelo sa ho metha
Libeake kapa lijana tsa ho kopanya
Thermometer (haeba ho hlokahala)
Methapo ea pH kapa likhahla tsa pH (haeba ho hlokahala)
4. Mokhoa oa ho itokisa:
Latela mehato ena ho lokisa tharollo ea methylcellulose:
Mohato oa 1: Ho lekanya phofo ea methylcellulose
U sebelisa tekanyo ea digital, lekanya palo e loketseng ea phofo ea methylcellulose ho ea ka mahloriso a lakatsehang.Ke habohlokoa ho lekanya phofo ka nepo ho finyella viscosity e lakatsehang le ho tsitsa ha tharollo ea ho qetela.
Mohato oa 2: Ho eketsa Solvent
Beha palo e lekantsoeng ea phofo ea methylcellulose ka sejaneng se hloekileng, se omeletseng.Butle-butle eketsa mokelikeli (mohlala, metsi a hloekisitsoeng) ho phofo ha u ntse u susumetsa ka ho tsoelang pele.Ho eketsoa ha solvent ho lokela ho etsoa butle ho thibela ho putlama le ho etsa bonnete ba ho hasana ho tšoanang ha methylcellulose.
Mohato oa 3: Ho kopanya le ho qhibiliha
Tsoela pele ho susumetsa motsoako ho fihlela phofo ea methylcellulose e hasane ka ho feletseng 'me e qala ho qhibiliha.Ho ipapisitse le kereiti le mahloriso a methylcellulose e sebelisitsoeng, ho felisoa ka botlalo ho ka nka nako.Lithempereichara tse phahameng li ka potlakisa ts'ebetso ea ho qhibiliha, empa qoba ho feta meeli e khothalletsoang ea mocheso, kaha e ka ama thepa ea tharollo.
Mohato oa 4: Ho fetola pH (ha ho hlokahala)
Lits'ebetsong tse ling, ho ka 'na ha hlokahala ho fetola pH ea tharollo ea methylcellulose ho finyella thepa e lakatsehang kapa ho ntlafatsa botsitso.Sebelisa li-pH meter kapa li-strips tsa pH ho lekanya pH ea tharollo le ho e lokisa kamoo ho hlokahalang ka ho eketsa acid e nyane kapa base.
Mohato oa 5: Ho lumella Hydration
Ka mor'a hore phofo ea methylcellulose e qhibilihe ka ho feletseng, lumella tharollo hore e be metsi ka nako e lekaneng.Nako ea hydration e ka fapana ho latela kereiti le mahloriso a methylcellulose e sebelisitsoeng.Ka nako ena, tharollo e ka 'na ea e-ba boima bo eketsehileng kapa ea gelling, kahoo shebella viscosity ea eona' me u fetole ha ho hlokahala.
Mohato oa 6: Homogenization (haeba ho hlokahala)
Haeba tharollo ea methylcellulose e bontša ho sa tsitsane ho sa tšoaneng kapa ho kopanya likaroloana, ho ka hlokahala homogenization e eketsehileng.Sena se ka finyelloa ka ho tsoela pele ho susumetsa kapa ho sebelisa homogenizer ho etsa bonnete ba ho hasana ho tšoanang ha likaroloana tsa methylcellulose.
Mohato oa 7: Ho boloka le ho tšoara
Ha e se e lokisitsoe, boloka tharollo ea methylcellulose ka har'a sets'oants'o se hloekileng, se tiisitsoeng ka thata ho thibela tšilafalo le mouoane.Lits'oants'o tse ngotsoeng hantle li lokela ho bonts'a mahloriso, letsatsi la ho lokisoa, le maemo afe kapa afe a bohlokoa a polokelo (mohlala, mocheso, khanya ea khanya).Tšoara tharollo ka hloko ho qoba ho qhalana le ho boloka botšepehi ba eona.
5. Tharollo ya mathata:
Haeba phofo ea methylcellulose e sa qhale ka ho feletseng, leka ho eketsa nako ea ho kopanya kapa ho fetola mocheso.
Ho bokellana kapa ho hasana ho sa leka-lekaneng ho ka bakoa ke ho eketsa motsoako ka potlako kapa motsoako o sa lekaneng.Etsa bonnete ba ho eketsoa butle-butle ha solvent le ho hlohlelletsa ka ho feletseng ho finyella ho hasana ho tšoanang.
Ho se lumellane le lisebelisoa tse ling kapa pH e feteletseng ho ka ama ts'ebetso ea tharollo ea methylcellulose.Nahana ka ho fetola sebopeho kapa ho sebelisa li-additives tse ling ho fihlela thepa e lakatsehang.
6. Lintlha tsa Tšireletseho:
Tšoara phofo ea methylcellulose ka hloko ho qoba ho hema kapa ho kopana le letlalo le mahlo.Apara lisebelisoa tse loketseng tsa ho itšireletsa (mohlala, liatlana, likhalase) ha u tšoara phofo.
Latela mekhoa le litataiso tse nepahetseng tsa polokeho ha u sebetsa ka lik'hemik'hale le lisebelisoa tsa laboratori.
Lahla tharollo ea methylcellulose e sa sebelisoeng kapa e felileng ho latela melao ea lehae le litataiso tsa ho lahla litšila tsa lik'hemik'hale.
ho lokisa tharollo ea methylcellulose ho kenyelletsa ho khetha sehlopha se nepahetseng, ho khetholla mahloriso a lakatsehang, le ho latela mokhoa oa mohato ka mohato oa ho qhala le ho homogenization.Ka ho latela litataiso tsena le ho nahana ka mehato ea ts'ireletso, o ka lokisa litharollo tsa methylcellulose tse ipapisitseng le litlhoko tsa hau tse ikhethileng tsa kopo.
Nako ea poso: Apr-12-2024