Kev ntsuas kev coj ua: Thaum tam sim no dhau mus rau ib qho emulsion txuas nrog lub qhov muag hluav taws xob, lub qhov muag teeb ci yog tias nws yog o / w emulsion vim dej yog cov khoom siv hluav taws xob zoo.. Thaum lub teeb tsis ci, nws yog w / o emulsion vim roj tsis yog tus coj hluav taws xob.
Yuav ua li cas thiaj paub qhov system emulsion?
Cov qauv sib txawv tuaj yeem txheeb xyuas tau rau cov tshuab emulsion: (a) O / W thiab W / O macroemulsions: cov no feem ntau muaj qhov loj me ntawm 0.1-5 μm nrog qhov nruab nrab ntawm 1-2 μm. (b) Nano-emulsions: cov no feem ntau muaj qhov loj ntawm 20-100 nm. … (c) Micellar emulsions lossis microemulsions: cov no feem ntau muaj qhov loj ntawm 5–50 nm.
Dyees twg siv los txheeb xyuas cov emulsion?
Hauv qhov kev sim no, ib qho emulsion yog tov nrog dej-soluble dye (amaranth) thiab pom nyob rau hauv lub tshuab tsom. Yog tias cov theem txuas ntxiv tshwm liab, nws txhais tau hais tias cov emulsion yog o / w hom raws li cov dej nyob rau sab nraud thiab cov dye yuav yaj hauv nws kom muab xim.
Yuav ua li cas hauv qab no yog hom emulsion?
Muaj ob hom emulsions: roj-hauv-dej (O / W) thiab dej-hauv-roj (W / O)Cov emulsions yog raws nraim li lawv suab zoo li, raws li daim duab hauv qab no. Nyob rau hauv txhua txhua emulsion muaj ib tug tas mus li theem uas tshem tawm cov tee ntawm lwm yam uas yog hu ua lub dispersed theem.
Qhov twg hauv qab no tsis yog ib txoj hauv kev los sim hom emulsion?
6. Qhov twg hauv qab no tsis yog ib txoj hauv kev los sim hom emulsion? Nqe lus piav qhia: Coagulation lossis nag lossis nag yog txheej txheem ntawm kev sib sau ua ke ntawm cov khoom colloidal kom hloov lawv mus rau hauv qhov loj me me uas thaum kawg daws raws li nag lossis daus.
