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Indlela Yokuhlola Yokudla Ibanga Lokudla I-Sodium CMC Viscosity

Indlela Yokuhlola Yokudla Ibanga Lokudla I-Sodium CMC Viscosity

Ukuhlola i-viscosity ye-sodium carboxymethyl cellulose (CMC) yezinga lokudla kubalulekile ukuze kuqinisekiswe ukusebenza kwayo nokusebenza ezinhlelweni ezihlukahlukene zokudla.Izilinganiso ze-viscosity zisiza abakhiqizi banqume amandla okujiya nokuzinzisa ezixazululo ze-CMC, ezibalulekile ukuze kuzuzwe izici ezifiselekayo zomkhiqizo ezifana nokuthungwa, ukuzwakala komlomo, nokuzinza.Nawu umhlahlandlela ophelele wendlela yokuhlola ye-sodium CMC viscosity yebanga lokudla:

1. Isimiso:

  • I-viscosity isilinganiso sokumelana koketshezi nokugeleza.Esimeni sezixazululo ze-CMC, i-viscosity ithonywa izinto ezifana nokugxilwa kwe-polymer, i-degree of substitution (DS), isisindo samangqamuzana, i-pH, izinga lokushisa, nezinga lokugunda.
  • I-viscosity yezixazululo ze-CMC ngokuvamile ikalwa kusetshenziswa i-viscometer, esebenzisa ingcindezi ye-shear oketshezini futhi ikala ukuwohloka okuwumphumela noma izinga lokugeleza.

2. Izisetshenziswa nama-reagents:

  • Isampula ye-sodium carboxymethyl cellulose (CMC) yezinga lokudla.
  • Amanzi acwecwe.
  • I-Viscometer (isb, i-viscometer yase-Brookfield, i-viscometer ejikelezayo noma ye-capillary).
  • I-spindle ifanele ububanzi be-viscosity besampula.
  • Ukugeza ngamanzi alawulwa izinga lokushisa noma igumbi le-thermostatic.
  • I-stirrer noma i-stirrer magnetic.
  • Ama-beakers noma izinkomishi zesampula.
  • Isitophuwashi noma isibali sikhathi.

3. Inqubo:

  1. Ukulungiselela Isampula:
    • Lungiselela uchungechunge lwezixazululo ze-CMC ezinokugxila okuhlukile (isb, 0.5%, 1%, 2%, 3%) emanzini acwecwe.Sebenzisa ibhalansi ukuze ukale inani elifanele lempushana ye-CMC futhi uyengeze kancane kancane emanzini ngokunyakazisa ukuqinisekisa ukuhlakazeka okuphelele.
    • Vumela izixazululo ze-CMC ukuthi zifake amanzi futhi zilingane isikhathi esanele (isb, amahora angama-24) ukuze uqinisekise ukugeleza kwamanzi okufanayo kanye nokuzinza.
  2. Ukusethwa Kwensimbi:
    • Linganisa i-viscometer ngokwemiyalelo yomkhiqizi usebenzisa uketshezi olujwayelekile lwereferensi ye-viscosity.
    • Setha i-viscometer ebangeni elifanele lejubane noma izinga lokugunda ukuze uthole i-viscosity elindelekile yezixazululo ze-CMC.
    • Shisisa kuqala i-viscometer kanye ne-spindle kuzinga lokushisa elifiswayo lokuhlola usebenzisa ibhavu lamanzi elilawulwa izinga lokushisa noma igumbi le-thermostatic.
  3. Isilinganiso:
    • Gcwalisa inkomishi yesampula noma ibhika ngesisombululo se-CMC okufanele sihlolwe, uqinisekise ukuthi i-spindle icwiliswe ngokuphelele kusampula.
    • Yehlisa i-spindle kusampula, uqaphele ukugwema ukwethula amabhamuza omoya.
    • Qala i-viscometer futhi uvumele i-spindle ukuthi ijikeleze ngesivinini esishiwo noma izinga lokugunda isikhathi esinqunyiwe (isb., iminithi elingu-1) ukuze ufinyelele esimweni sokuzinzile.
    • Qopha ukufundwa kwe-viscosity okuvezwe ku-viscometer.Phinda ukulinganisa kwesixazululo ngasinye se-CMC futhi ngamanani ahlukene okugunda uma kunesidingo.
  4. Ukuhlaziywa Kwedatha:
    • Hlela amanani e-viscosity ngokumelene nokugxila kwe-CMC noma izinga lokugunda ukuze ukhiqize amajika e-viscosity.
    • Bala amanani abonakalayo e-viscosity ngamanani athile okugunda noma ukugxila ukuze uqhathanise nokuhlaziya.
    • Nquma ukuziphatha kwe-rheological kwezixazululo ze-CMC (isb, i-Newtonian, i-pseudoplastic, i-thixotropic) ngokusekelwe ekubunjweni kwamajika e-viscosity kanye nomthelela wezinga le-shear ku-viscosity.
  5. Ukutolika:
    • Amanani e-viscosity aphezulu akhombisa ukumelana okukhulu nokugeleza kanye nezakhiwo eziqina kakhulu zesixazululo se-CMC.
    • Ukuziphatha kwe-viscosity yezixazululo ze-CMC kungahluka kuye ngezinto ezifana nokugxilisa ingqondo, izinga lokushisa, i-pH, nezinga lokugunda.Ukuqonda lezi zici kubalulekile ekwenzeni ngcono ukusebenza kwe-CMC ezinhlelweni ezithile zokudla.

4. Okucatshangwayo:

  • Qinisekisa ukulinganiswa okufanele nokugcinwa kwe-viscometer ukuze uthole izilinganiso ezinembile nezithembekile.
  • Lawula izimo zokuhlola (isb, izinga lokushisa, izinga lokugunda) ukuze unciphise ukuhlukahluka nokuqinisekisa ukuphindaphindeka kwemiphumela.
  • Qinisekisa indlela usebenzisa izilinganiso zereferensi noma ukuhlaziya okuqhathanisayo nezinye izindlela eziqinisekisiwe.
  • Yenza izilinganiso ze-viscosity ezindaweni eziningi eduze nezimo zokucubungula noma zokulondoloza ukuze uhlole ukuzinza nokufaneleka kwezinhlelo zokusebenza ezihlosiwe.

Ngokulandela le ndlela yokuhlola, i-viscosity yezixazululo ze-sodium carboxymethyl cellulose (CMC) yezinga lokudla inganqunywa ngokunembile, inikeze ulwazi olubalulekile lokwakheka, ukulawulwa kwekhwalithi, kanye nokwenza kahle kwenqubo embonini yokudla.


Isikhathi sokuthumela: Mar-07-2024
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