Mokhoa oa ho arola gel bakeng sa ho arola serum le mali

Mochini oaho arola gel

Gel ea karohano ea serum e entsoe ka metsoako ea hydrophobic organic le silika phofo.Ke thixotropic mucus colloid.Sebopeho sa eona se na le palo e kholo ea litlamo tsa hydrogen.Ka lebaka la ho kopana ha li-hydrogen bond, mohaho oa marang-rang o thehoa.Tlas'a ketso ea matla a centrifugal, mohaho oa marang-rang o senngoa le ho fetoloa.Bakeng sa mokelikeli o nang le viscosity e tlaase, ha matla a centrifugal a nyamela, a tsosolosa mohaho oa marang-rang, o bitsoang thixotropy.Ke hore, tlas'a boemo ba mocheso o sa khaotseng, matla a itseng a mochine a sebelisoa ho mucus colloid, e ka fetohang ho tloha boemong bo phahameng ba viscosity gel ho ea boemong bo tlaase ba viscosity sol, 'me haeba matla a mechine a nyamela, a tla khutlela ho. boemo ba pele ba gel e nang le viscosity e phahameng.Ketsahalo ea gel le sol interconversion e bakoang ke ketso ea matla a mechine e qalile ho bitsoa Freundlich le Petrifi.Ke hobane'ng ha tšebelisano pakeng tsa gel le sol e etsahala ka lebaka la ketso ea matla a mochine?Thixotropy ke hobane sebopeho sa gel e arolang se na le palo e kholo ea mekhoa ea marang-rang ea hydrogen bond.Ka ho khetheha, tlamo ea hydrogen ha e etse feela tlamo e le 'ngoe ea covalent, empa e boetse e theha maqhama a fokolang a hydrogen le limolek'hule tse ling tse qosoang hampe tlas'a maemo a itseng.Ka mocheso oa kamore, bond ea haedrojene e batla e le bonolo ho khaoloa ho baka ho kopanngoa hape.Sebaka sa silika se na le lihlopha tsa silyl hydroxyl (SiOH) ho etsa li-molecular aggregates tsa SiO (likaroloana tse ka sehloohong), tse kopantsoeng ke li-hydrogen bond ho etsa likaroloana tse kang ketane.Likaroloana tsa silika tsa ketane le likaroloana tsa motsoako oa hydrophobic organic o etsang gel e arohaneng e tsoela pele ho theha maqhama a hydrogen ho hlahisa sebopeho sa marang-rang le ho etsa limolek'hule tsa gel tse nang le thixotropy.

Matla a khethehileng a gel e arolang e bolokiloe ho 1.05, matla a itseng a serum a ka bang 1.02, 'me matla a itseng a lesela la mali a ka bang 1.08.Ha gel e arohaneng le mali a kopantsoeng a le centrifuged ka har'a tube e tšoanang ea teko, mohaho oa marang-rang oa ketane ea hydrogen ka har'a silika aggregate e bakoa ke matla a centrifugal a sebelisoang ho gel e arohaneng.Ka mor'a ho senngoa, e fetoha sebopeho se kang ketane, 'me gel e arohaneng e fetoha ntho e nang le viscosity e tlaase.Leqeba la mali le boima ho feta gel e arohaneng le fallela tlase ho tube, 'me gel e arohaneng e khutlela morao, e etsa likarolo tse tharo tsa leqeba la mali / ho arola gel / serum ka tlaase ho tube.Ha centrifuge e khaotsa ho potoloha 'me e lahleheloa ke matla a centrifugal, likaroloana tsa ketane tsa silika tse kopantsoeng ka har'a gel ea karohano li etsa sebopeho sa marang-rang hape ka litlamo tsa haedrojene, li tsosolosa boemo ba pele bo phahameng ba viscosity gel,' me li theha lera la ho itšehla thajana pakeng tsa mali a mali. serum.