Yuav ua li cas los tswj cov xim ntawm Cosmetic Fwj

Yuav ua li cas los tswj cov xim ntawm Cosmetic Fwj

Nws yog qhov zoo paub tias cov iav fwj ntsej muag uas zoo nkauj, dua li cov kev ua kom zoo zoo, cov yeeb tshuaj lom neeg ruaj khov, thiab ntau yam qauv thiab xim, yuav siv tau los ua ntau lub hnab tshuaj pleev ib ce. Nws tuaj yeem pom tias cov xim ntawm cov iav hwj hiav txwv yog ib qho tseem ceeb heev thiab nws muaj feem xyuam rau cov khoom zoo nkauj ntawm cov iav hwj huam.

Raws li ib txwm muaj, cov xim ntawm cov iav hwj hiav txwv iav kuj tseem hu ua "sulfur carbon" colouration, tab sis cov nyob hauv lub ntiaj teb no tsuas yog plays lub luag hauj lwm thiab tsis koom hauv cov xim. Cov uas yog tiag tiag seb cov xim yog leej faj. Nyob rau hauv iav yaj, leej faj yog nyob rau hauv daim ntawv ntawm sulfide S2- thiab hlau nyob rau hauv khob khob khoom coj nws tus kheej nyob rau hauv daim ntawv ntawm Fe3 +, thiab cov khoom ntawm Fe3 + S2-ions yog siv raws li tus cim kev ntsuas qhov xim ntawm qhov chaw xim, uas pom cov iav. Coloring qhov tob.

Rau cov ntaub so plhu iav, qhov zoo tsis yog txiav txim siab los ntawm qhov khoom zoo ntawm qhov khoom, tab sis kuj tau cai los ntawm sab nraud, vim li ntawd cov txheej txheem tha xim tseem ceeb heev. Yuav kom tswj tau cov xim ntawm cov iav hwj huam, peb yuav tsum xav txog lawv los ntawm ntau yam, vim hais tias lawv yuav raug ntau yam mob, los ntawm qhov zoo ntawm raw cov ntaub ntawv, qhov piv ntawm cov ntaub ntawv raw mus rau melting ntawm tag nrho cov yam ntawm tus tsim ntawm cov xim yuav muaj ib yam Impact. Yog li, thiaj li tswj tau nws cov xim xim, nws yog ib qho tsim nyog yuav tsum muaj kev tswj hwm ntau yam thiab nruj me ntsis tswj ntau yam ntawm cov khoom ntawm cov iav hwj huam.