47. Lub hom phiaj ntawm kev ntxuav yog dab tsi?

Tom qab ntxuav cov kua qaub, cov kav hlau yuav tsum tau muab tso rau hauv dej txias lossis dej kub tam sim ntawd kom tshem tawm cov kua qaub, hlau ntsev, thiab cov pa roj carbon monoxide uas cuam tshuam kub -dip galvanizing. Kev ntsuam xyuas qhia tau hais tias sulfuric acid daws tawm 7g / m² ntawm cov ntsev hlau, thaum cov tshuaj hydrochloric acid txo qhov no mus rau 2.3g / m². Tom qab- ntxuav cov kua qaub tuaj yeem txo cov ntsev ntsev ntxiv rau 0.5-1g / m². Kev ntxuav dej kub yog qhov tshwj xeeb, vim nws kuj tshem tawm hydrogen los ntawm cov yeeb nkab cov tub ntxhais. Qhov no qhia tau hais tias kev tu kom zoo yog ib kauj ruam tseem ceeb hauv kev ua kom zoo ntawm cov kav dej kub-dip galvanized steel kav.