Xeb yog lo lus uas peb siv los piav txog cov hlau oxides liab uas tsim thaum cov hlau ferrous corrode. xeb yog lub npe nrov rau cov tshuaj uas tshwm sim thaum hlau reacts nrog oxygen thiab dej. … Peb tsis hais txog nyiaj los yog tooj liab “rusting.” Hloov chaw, tooj liab tau hais tias tsim kom muaj patina, thiab nyiaj tau hais kom tarnish.
xeb ntawm hlau txhais li cas?
Xeb, feem ntau hu ua oxidation, tshwm sim thaum hlau lossis hlau alloysmuaj hlau, xws li hlau, raug oxygen thiab dej rau lub sijhawm ntev. Cov ntaub ntawv xeb thaum hlau dhau cov txheej txheem oxidation tab sis tsis yog txhua daim ntawv oxidation xeb.
xeb ua li cas ntawm hlau?
Xeb yog qhov tshwm sim ntawm corroding steel tom qab cov hlau (Fe) tau raug cov pa oxygen thiab noo noo (xws li, av, vapor, immersion). … Oxygen ua rau cov electrons sawv thiab tsim hydroxyl ions (OH). Cov hydroxyl ions hnov mob nrog FE⁺⁺ los ua hydrous hlau oxide (FeOH), paub zoo li xeb.
Qhov cuam tshuam ntawm xeb ntawm hlau yog dab tsi?
– Xeb tuaj yeem ua rau cov khoom hlau tau daig thaum lawv yuav tsum swb dua ib leeg. - Rusty tsheb mufflers thiab lub cev sab nraud ntawm lub tsheb tuaj yeem tsim qhov hauv lawv vim xeb. - Nws cuam tshuam cov khoom sib nqus ntawm cov hlau. - Hlau yog ib tug zoo conductor ntawm hluav taws xob.
xov tooj hlau hu li cas?
Technically xeb yog Hydrated Iron (III) Oxide, tseem hu ua hlau oxide(Fe²O³), raws li nws tshwm sim thaum hlau reacts nrog oxygen thiab dej - cov tshuaj tiv thaiv no hu ua oxidizing.
