Iron oxide pigments, uas tej zaum yuav yog ntuj lossis hluavtaws, tau siv los ua xim txij thaum tib neeg pib pleev xim rau ntawm phab ntsa qhov tsua. Ntuj pigments yog muab los ntawm ntau cov hlau oxide minerals: liab pigments yog muab los ntawm hematite. Cov xim daj thiab xim av - ochres, sierras thiab umbers - yog muab los ntawm limonite.
Dab tsi yog xim hlau oxide?
khoom ntawm hlau
Ferric oxide yog reddish-xim av rau cov hmoov dub uas tshwm sim ib txwm muaj li cov ntxhia hematite.
Cov xim dab tsi hlau tsim?
Iron oxide (Fe2O3) kuj tseem siv los ua cov xim, raws li lub npe "Pigment Red 101".
Puas yog hlau oxide pigments muaj kev nyab xeeb?
Iron Oxides muaj kev nyab xeeb rau kev siv cov khoom siv xim, suav nrog cov tshuaj pleev ib ce thiab cov khoom tu tus kheej siv rau daim di ncauj, thiab thaj tsam ntawm lub qhov muag, muab lawv ua tau raws li qee qhov tshwj xeeb. FDA kuj suav nrog Iron Oxides ntawm nws cov npe ntawm cov khoom noj tsis ncaj uas suav tias yog Kev Pom Zoo Raws Li Kev Nyab Xeeb (GRAS).
Iron oxide puas tsim kev puas tsuaj rau tib neeg?
Raug Iron Oxide fumes tuaj yeem ua rau hlau fume fever. Qhov no yog ib hom mob khaub thuas zoo li cov tsos mob ntawm cov xim hlau, ua npaws thiab ua daus no, mob hauv siab, nruj thiab hnoos. …Rov ua rau Iron Oxide fume los yog hmoov av tuaj yeem ua rau mob ntsws (Siderosis) nrog hnoos, ua tsis taus pa thiab hloov pauv ntawm lub hauv siab x-ray.
