Dispersed theem: huab cua, Dispersion nruab nrab: kua (dej)
Dab tsi yog qhov tawg ntawm cov npuas dej?
Nyob rau hauv froth, lub cev lub cev ntawm cov theem dispersed yog gas thiab qhov nruab nrab dispersion yog kua. Froth yog ib qho piv txwv ntawm ib qho ntawm yim hom ntawm colloidal system nyob rau hauv lub hauv paus ntawm seb dispersed theem thiab dispersion nruab nrab yog khib nyiab, kua los yog gases.
colloidal txhais li cas?
[kŏl′oid′] Ib qho sib xyaw uas cov khoom me me ntawm ib yam khoom raug faib sib npaug thoob plaws lwm yam khoom. Cov khoom feem ntau loj dua li cov hauv kev daws teeb meem, thiab me dua li cov hauv kev ncua. Xim, mis, thiab pos huab yog colloids.
Dab tsi yog cov khoom tseem ceeb ntawm ua npuas ncauj?
Ntau yam khoom tseem ceeb rau tus cwj pwm ntawm cov npuas dej ntau, raws li muaj nyob hauv lub raj mis, yog ua npuas dej zoo, ua npuas ncauj, npuas loj faib, ua npuas ncauj ruaj khov, thiab ua npuas ncauj ntom ntom. Ua npuas ncauj zoo yog qhov ntim feem pua ntawm cov pa hauv npuas ntawm lub siab thiab qhov kub thiab txias.
8 hom colloids yog dab tsi?
Raws li theem ntawm qhov nruab nrab dispersion thiab theem dispersed, peb tuaj yeem faib cov colloids ua yim pawg:
- Aerosol.
- Solid aerosol.
- YEmulsion.
- Sol.
- nplua nuj ua npuas ncauj.
- Gel.
- Solid sol.
