64. Zinc tshauv tsim li cas? Nws cov khoom yog dab tsi?

Zinc tshauv, los yog zinc oxide, tsim sai heev thaum kub -dip galvanizing, feem ntau tshwm sim tam sim ntawd tom qab txhua txheej dhau. Qhov no tshwm sim vim tias zinc kua reacts nrog atmospheric oxygen los tsim zinc oxide. Nyob rau tib lub sijhawm, thaum cov kuab tshuaj los ntawm cov yeeb nkab steel rau galvanized yog immersed nyob rau hauv zinc da dej, nws activates zinc adsorption txheej txheem ntawm hlau nto, uas ua rau tsim zinc tshauv thiab hnyav residues. Cov zinc tshauv feem ntau yog sib xyaw ntawm zinc oxide, nws yog xim hlau zinc hais, chlorides, thiab lwm yam acids -insoluble impurities. Cov zinc oxide nyob rau hauv cov tshauv suav nrog cov zinc oxide ntshiab thiab cov tebchaw nrog lwm cov oxides. Cov hlau me me zinc feem ntau suav nrog 15-35% ntawm tag nrho cov zinc tshauv cov ntsiab lus, thaum cov khoom loj tuaj yeem ncav cuag 30-60% lossis txawm 70-75% nyob ntawm cov khoom siv galvanizing.