Dab tsi yog qhov sib xyaw ua ke ntawm cobalt?

2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17

Cobalt compounds feem ntau yog siv los ua cov iav xim, glazes, xim, roj hmab, inks, tshuaj pleev ib ce, thiab cov tais diav. Cov compounds no muaj xws li: cobalt oxide , cobalt potassium nitrite, cobalt aluminate, thiab cobalt ammonium phosphate. Cobalt tebchaw kuj siv tau los ua catalyst.

Yog li ntawd, dab tsi yog cobalt siv nyob rau hauv lub neej txhua hnub?

Tam sim no, cov tsoos thaj chaw ntawm kev noj thiab kev siv ntawm cobalt yog cov khoom siv roj teeb, super kub-resistant alloys, cuab yeej steels, nyuaj alloys, cov khoom sib nqus; cobalt nyob rau hauv daim ntawv ntawm compounds yog mas siv Raws li catalysts, desiccants, reagents, pigments thiab dyes.

Qhov thib ob, dab tsi yog qee yam tshuaj lom neeg ntawm cobalt? Cov khoom ntawm Cobalt

• Nws yog ib qho nyuaj ferromagnetic, silver-dawb, lustrous, brittle caij.
• Nws ruaj khov hauv huab cua thiab tsis hnov mob nrog dej.
• Zoo li lwm yam hlau, nws tuaj yeem ua tau magnetized.
• Nrog dilute acids, nws reacts maj mam.
• Cov hlau melts ntawm 1495 ° C thiab boils ntawm 2927 ° C.

Ua kom pom qhov no, cov ntsiab lus dab tsi cobalt nrog?

Cobalt yog ib qho ntawm peb cov hlau uas yog ferromagnetic ntawm chav tsev kub. Nws dissolves maj mam nyob rau hauv dilute mineral acids, tsis sib txuas ncaj qha nrog ib tug hydrogen los yog nitrogen , tab sis yuav ua ke, ntawm cua sov, nrog carbon, phosphorus , los yog sulfur.

Puas yog cobalt siv hauv xov tooj ntawm tes?

Cov ntxhia cobalt yog siv nyob rau hauv zoo tag nrho cov roj teeb hauv cov khoom siv sib xws, suav nrog xov tooj ntawm tes , laptops thiab txawm tias hluav taws xob tsheb. Ib tsab ntawv ceeb toom los ntawm Amnesty International thawj zaug qhia qhov ntawd cobalt mined los ntawm cov menyuam yaus tau xaus rau hauv cov khoom los ntawm ntau lub tuam txhab, suav nrog Apple, Microsoft, Tesla thiab Samsung.