① Raws li daim ntawv uas twb muaj lawm hauv xwm
Tooj liab ntuj;
Tooj liab oxide;
Tooj liab sulfide.
② Raws li cov txheej txheem ntau lawm
Tooj lub siab xav - ore nrog cov ntsiab lus tooj liab cov ntsiab lus xaiv ua ntej smelting.
Cov tooj liab uas nyoos --- cov khoom lag luam ntawm tooj liab muaj ntsis kev kho mob, nrog cov ntsiab lus tooj liab ntawm 95-98%.
Ntsiav ceev tooj - tooj muaj ntau dua 99% tom qab hluav taws ua kom ua kom zoo dua lossis hluav taws xob. 99-99.9% Tus tooj liab ntshiab tuaj yeem tau los ntawm hluav taws smelting thiab tuaj yeem tau txais los ntawm electrolysis.
Raws li cov cim loj sib xyaw
Tooj dag - tooj zinc alloy
Bronze - Tooj Tner Tin alloy, thiab lwm yam (tshwj tsis yog rau zinc nickel, alloys nrog lwm cov ntsiab lus hu ua Bronze)
Tooj Liab Copper Cobalt Nickel Alloy
④according rau cov khoom lag luam:
Tooj liab yeeb, tooj liab Quav, Tooj Liab, Tooj Liab Phaj, Tooj Liab Sawb, Tooj Ntawv Ntawv Nyiaj, Tooj

Lub Sijhawm Post: Lub Tsib Hlis-30-2022