Kuyesa kukhuthala kwa sodium carboxymethyl cellulose (CMC) ndikofunikira kwambiri pakuwonetsetsa kuti imagwira ntchito bwino pazakudya zosiyanasiyana.Miyezo ya viscosity imathandizira opanga kudziwa kukhuthala ndi kukhazikika kwa mayankho a CMC, omwe ndi ofunikira kuti akwaniritse zomwe mukufuna monga momwe zimapangidwira, kumveka pakamwa, komanso kukhazikika.Nayi chiwongolero chokwanira cha njira yoyesera ya sodium CMC viscosity ya chakudya:

1. Mfundo:

• Viscosity ndi muyeso wa kukana kwamadzimadzi kuyenda.Pankhani ya mayankho a CMC, kukhuthala kumakhudzidwa ndi zinthu monga polima, kuchuluka kwa kusintha (DS), kulemera kwa maselo, pH, kutentha, ndi kumeta ubweya.
• Kukhuthala kwa mayankho a CMC nthawi zambiri amayezedwa pogwiritsa ntchito viscometer, yomwe imagwiritsa ntchito kumeta ubweya wamadzimadzi ndikuyesa mapindikidwe ake kapena kuthamanga kwake.

2. Zida ndi ma Reagents:

• Chitsanzo cha chakudya cha sodium carboxymethyl cellulose (CMC).
• Madzi osungunuka.
• Viscometer (mwachitsanzo, Brookfield viscometer, viscometer yozungulira kapena capillary).
• Spindle yoyenererana ndi kukhuthala kwa ma viscosity osiyanasiyana.
• Kusamba kwamadzi komwe kumayendetsedwa ndi kutentha kapena chipinda cha thermostatic.
• Stirrer kapena magnetic stirrer.
• Beakers kapena zitsanzo makapu.
• Stopwatch kapena chowerengera nthawi.

3. Ndondomeko:

1. Kukonzekera Zitsanzo:
   • Konzani mndandanda wa mayankho a CMC okhala ndi magawo osiyanasiyana (mwachitsanzo, 0.5%, 1%, 2%, 3%) m'madzi osungunuka.Gwiritsani ntchito muyezo kuti muyese kuchuluka koyenera kwa ufa wa CMC ndikuwonjezera pang'onopang'ono m'madzi ndikugwedeza kuti mutsimikizire kubalalitsidwa kwathunthu.
   • Lolani mayankho a CMC kuti azitha kuthira madzi ndi kufananiza kwa nthawi yokwanira (mwachitsanzo, maola 24) kuti muwonetsetse kuti hydration ndi bata.
2. Kukhazikitsa Chida:
   • Sanjani viscometer molingana ndi malangizo a wopanga pogwiritsa ntchito mawonekedwe a viscosity reference fluid.
   • Khazikitsani viscometer ku liwiro loyenera kapena kumeta ubweya wamtundu wa kukhuthala koyembekezeka kwa mayankho a CMC.
   • Preheat viscometer ndi spindle ku kutentha komwe mukufuna kuyesa pogwiritsa ntchito madzi osambira oyendetsedwa ndi kutentha kapena chipinda cha thermostatic.
3. Muyeso:
   • Dzazani kapu yachitsanzo kapena beaker ndi yankho la CMC kuti liyesedwe, kuwonetsetsa kuti spindle yamizidwa kwathunthu mu chitsanzocho.
   • Tsitsani nsongayo mu chitsanzo, kusamala kuti musabweretse thovu la mpweya.
   • Yambitsani viscometer ndikulola kuti spindle izungulire pa liwiro lodziwika kapena kumeta ubweya kwa nthawi yodziwikiratu (mwachitsanzo, mphindi imodzi) kuti ifike pamalo okhazikika.
   • Lembani kuwerengera kwa mamasukidwe omwe akuwonetsedwa pa viscometer.Bwerezani muyeso pa yankho lililonse la CMC komanso pamitengo yometa ubweya wosiyanasiyana ngati kuli kofunikira.
4. Kusanthula Zambiri:
   • Limbikitsani ma viscosity values ​​motsutsana ndi CMC kapena shear rate kuti mupange ma viscosity curve.
   • Mawerengeredwe owoneka kukhuthala kwa ma viscosity pamitengo yometa ubweya kapena kuchuluka kwake kuti mufananize ndi kusanthula.
   • Kudziwa rheological khalidwe la CMC njira (mwachitsanzo, Newtonian, pseudoplastic, thixotropic) zochokera mawonekedwe a mamasukidwe akayendedwe zokhotakhota ndi zotsatira za kukameta ubweya mlingo pa mamasukidwe akayendedwe.
5. Kutanthauzira:
   • Makhalidwe apamwamba a viscosity amawonetsa kukana kwambiri kuyenda komanso kukhuthala kwamphamvu kwa yankho la CMC.
   • Makhalidwe a viscosity ya mayankho a CMC amatha kusiyanasiyana kutengera zinthu monga ndende, kutentha, pH, ndi kumeta ubweya.Kumvetsetsa izi ndikofunikira pakuwongolera magwiridwe antchito a CMC muzakudya zinazake.

4. Zoganizira:

• Onetsetsani kuti muyang'anire bwino ndikukonza viscometer kuti muyese zolondola komanso zodalirika.
• Yang'anirani miyeso yoyeserera (mwachitsanzo, kutentha, kumeta ubweya) kuti muchepetse kusinthasintha ndikuwonetsetsa kuti zotsatira zachitikanso.
• Tsimikizirani njirayo pogwiritsa ntchito mfundo zolozera kapena kusanthula kofananiza ndi njira zina zovomerezeka.
• Chitani miyeso yama viscosity pazigawo zingapo motsatira njira yosungira kapena kusungirako kuti muwone kukhazikika ndi kuyenerera kwa zomwe mukufuna.

Potsatira njira yoyesera iyi, ma viscosity a sodium carboxymethyl cellulose (CMC) mayankho amatha kutsimikiziridwa molondola, kupereka chidziwitso chofunikira pakupanga, kuwongolera bwino, komanso kukhathamiritsa kwamakampani azakudya.