Dawb lub ntsej muag ci ntsa iab-centric qauv hlau, mos, duction ob rau kub, yog ib tug neeg saib xyuas zoo ntawm tshav kub thiab hluav taws xob zoo; Tsis muaj kev xav nrog dej thiab atmospheric oxygen, thiab tig dub thaum raug ozone, hydrogen sulfide thiab leej faj; Nws yog inert rau feem ntau acids thiab tuaj yeem yaj nyob rau hauv dilute nitric acid thiab kub concentrated sulfuric acid. Hydrochloric acid tuaj yeem corrode saum npoo thiab yaj nyob rau hauv molten alkaliide, peroxide alkali thiab alkali cyanide hauv huab cua lossis nyob rau hauv lub xub ntiag ntawm oxygen; Feem ntau cov ntsev ua tau nkag siab txog lub teeb thiab muaj qhov tsis txaus hauv ntau cov kua qaub.