Khosana ea Liaan Cellingai e sebelisa lipatlisiso, nts'etsopele, tlhahiso ea tlhahiso le ho rekisa thekiso ea lihlahisoa tsa hydroxypropypropypropypropypropypropypropypropypropyL methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl Botsoalo ba HPMC hydroxxpropypropyl methyl celdulose ke sehlooho se amehileng haholo bakeng sa bahlahisi le basebelisi. Mona re rethypropyl methyl methyl methyl methyl methyl methyl methyl methyl methyl
Boikemisetso ba Pearity HydroxxpropypropyL methyl methyl cellulolose
Molao-motheo
Hydroxypropypropypropypropinyl Methyl Cellulose HPMC e sa khathatse ka 80% Ethanol. Kamora ho qhaloa le ho hlatsoa hangata, ethanol enonol e qhibiliselitsoe ho sampole e arotsoe le ho tlosoa ho fumana celdlolose hydroxypropyl methyl celdlose HPMC.
REagent
Ntle le ha ho hlalositsoe ka ho seng moo, feela bahomoso ba netefalitseng ho ba hlahlobisisa le metsi kapa metsi a entsoeng ka bofofu kapa metsi a hloekileng a hloekileng ho tla sebelisoa tlhahlobong.
95% ethanol (GB / t 679).
Tharollol, tharollo ea 80%, Dulute 95% Ethanol (E.2.1) 840ml ka metsi ho 1l.
BMI (GB / t 12591).
Sesebelisoa
Lisebelisoa tse tloaelehileng tsa laboratori
Boloi ba mahlale a magnet, ba hlohlelletsa bolelele ba mela e ka bang 3.5cm.
Ho kenella ka mokhoa o tšoantšitsoeng, 40ml, arture 4.5μm ~ 9μm.
Setho sa khalase ea khalase, φ10cm, sekoti se bohareng.
Beaker, 400ml.
Ho hlapela ka boomo bate ea metsi.
Onrt, e ka laola mocheso ho 105 ℃ ± 2 ℃.
Lenaneo
Accurately weigh the sample 3g (accurate to 0.001g) into a constant weight beaker, add 150mL 80% ethanol at 60℃ ~ 65℃, put the magnetic rod into the magnetic heating stirrers, cover the surface dish, insert a thermometer in the center Hole, fetola lebelo le futhumatsang, lokisa lebelo le susumetsang ho qoba ho phatsima, le ho boloka mocheso ho 60 ℃ ~ 65 ℃. Ho hlohlelletsa metsotso e 10.
Khaotsa ho hlohlelletsa, beha beaker ka letheba le sa feleng la 60 ℃ ~ 65 ℃, e keteka metsi a sa e qopileng ka botlalo, mme a tšela metsi a sa le qopileng ka botlalo
Kenya 150ml 80% Ethanol ka 60 ℃ ~ 65 ℃ ho Beaker Taba e sa utloahaleng e fetisetsoa ka botlalo, 'me u hlatsoa litaba tse peli tse ka se etsahalang. Suction e lokela ho sebelisoa nakong ea ts'ebetso ena le ho omella likuku li lokela ho qojoa. Haeba likaroloana li feta ka sefahleho, ho anyella li lokela ho fokotsoa fatše.
Tlhokomeliso: E lokela ho netefatsoa hore chloride ea sodium ea sampole e hlatsoitsoe ka ho felletseng ke 80% ethanol. Haeba ho hlokahala, tharollo ea silevera ea 0.1Le /.
Ka mocheso oa kamore, litaba tse sa thekeloeng li ile tsa hlatsuoa habeli ka 95% e le ho hlapa ka 50ml, 'me qetellong ka ethyl mi20ml bakeng sa ea bobeli. Nako ea ho fetolela ha ea lokela ho ba telele haholo. Ho sa khonehe ho kenngoa ka beaker ebe o futhumatsoa ka bateng ba mouoane ho fihlela ha ho na Ethrir Minor o fumanoe.
Tlhokomeliso: Ho hlatsoa ka Ethyl Mi ho hlokahala ho tlosa ka botlalo e lenanol ho tsoa ho ntho e sa tsoakoang. Haeba ethanol e sa tlosoe ka botlalo pele o omella, ho tlosoa ka botlalo ha ho khonehe nakong ea ho omella ka theko.
Ho ts'oaroa le beaker ho ile ha kenngoa ka ontong ka 105 ℃ ± 2 ℃ bakeng sa ho omisa 2h, ebe o isoa, 'me a imeloa ke ho futhumatsa. . Haeba ho na le matla a mangata nakong ea ha 1 o omella, boima bo tlase haholo bo tla ba teng.
Liphetho li baliloe
Pyady ea HPMC hydroxxpropyl methyl celploulose e ile ea baloa e le karoloana ea bongata e ile ea hlahisoa e le%
M1 - Mass a sekisana se omisitsoeng, ligrama (g);
M0 - boima ba karolo ea teko, li-grams (g);
W0 - mongobo le mahoba a sa tloaelehang a sampole,%.
Boleng ba Arithmetic bo bolelang litekanyo tse peli tse tšoanang li fokotsoa ho ntlha e le 'ngoe ea palo e le' ngoe.
PPhetoho
Phapang e felletseng lipakeng tsa litekanyo tse peli tse ikoahlaelang tse fumanoang tlasa 0.3%, e fane ka tse kholo ho 0,3% e sa feteng 5%.
Nako ea ho romella: Feb-14-2022