Txoj kev loj hlob ntawm Yellow (Orange) yog dab tsi?

Kev tshuaj xyuas kev txhim kho cov xim tshiab, peb tuaj yeem pom tias thawj zaug yog ua kom muaj kev vam meej ntawm cov xim daj.

Ua ntej, lub txiv kab ntxwv Zr-YV, los yog vanadium zirconium daj, tau tsim. Nws khov me me ntawm Y2O3ua ZrO2. Khaws ZrO2monoclinic siv lead ua. Nws yog tsim los ntawm adsorption ntawm vanadium nyob rau saum npoo ntawm monoclinic ZrO2primitive siv lead ua. Ti-Cr-Sb xim yog reacted nyob rau hauv rutile hom TiO2nyob rau hauv cov nram qab no tsis sib npaug ion hloov daim ntawv: Cr^{3 plus ib}plus Sb^{5 plus ib} ⇋2 Ti₄^{2 plus}, siv tib lub spinel Cr^{3 plus ib}Sb^{5 plus ib} O^2-₄and TiO2tshuaj tiv thaiv (nrog rau Cr^{3 plus ib}thiab Sb^{5 plus ib}randomly faib nyob rau hauv txoj hauj lwm ntawm Ti^{4 plus ib}of TiO2rutile hom, hloov ib feem ntawm Ti^{4 plus ib}), yog li tsim qhov kev daws teeb meem tsis sib xws (tag nrho tus nqi tseem tsis hloov pauv hauv cov txheej txheem hloov).

Thiab CrSbO4ua Sb2O4(rhubarb siv lead ua) thaum lub sij hawm decomposition, ib yam li cov khoom siv grey. Nyob rau hauv daim ntawv ntawm Sb^{3 plus ib}plus Sb^{5 plus ib} ⇋2 Ti^{4 plus ib}, nws tau yaj hauv TiO2. Cov xim ntawm Ti-Cr-Sb system tuaj yeem hloov kho los ntawm kev nce lossis txo qhov nyiaj ntawm Sb.

Ti-Cr-W yog cov khoom siv xim, uas kuj yog hom rutile TiO2. Nws siv tsis sib npaug ion hloov xws li Cr2WO62 Cr^{3 plus ib}plus W^{6 plus ib} ⇋3 Ti^{4 plus ib}, uas kuj yog hom rutile. Tab sis tag nrho cov hluav taws xob valence tseem tsis hloov. Ib qho kev hloov pauv tsis sib xws yog tsim.