Seawater feem ntau muaj 1-25% ntsev cov ntsiab lus, nrog 3.5% yog tus qauv siv. Cov dej muaj ntau cov pa oxygen, nitrogen, thiab carbon dioxide, uas ua rau cov zinc txheej corrosion. Chloride ions (kwv yees li 55% ntawm tag nrho cov ions) cuam tshuam kev tsim cov yeeb yaj kiab tiv thaiv, yog li ua kom nrawm dua corrosion. Conversely, magnesium thiab calcium ions tau yooj yim tsim cov ntsev insoluble nrog zinc txheej, txhawb kev txhim kho cov yeeb yaj kiab tiv thaiv thiab maj mam txo qis tus nqi corrosion.
Cov khoom ntawm corrosion ntawm zinc txheej yog carbonate, hydroxide thiab chloride. Tus nqi corrosion ntawm zinc txheej hauv seawater feem ntau yog 50-650 mg / dm2·y.
23. Yuav ua li cas cov zinc txheej corrode nyob rau hauv seawater?
Nov 28, 2025
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