Dab tsi yog Cov Khoom Tseem Ceeb Ntawm Hlau Oxide Liab?

Cov tsos mob: txiv kab ntxwv-liab mus rau ntshav-liab trigonal hmoov. Muaj ob hom natural thiab hluavtaws. Lub ntuj hu ua sab hnub poob liab, thiab nws cov txheeb ze ntom ntom yog 55.25. Fineness 0.4 ~ 20um. Melting point 1565 (decomposition). Cov pa oxygen tso tawm thaum hlawv, uas tuaj yeem txo cov hlau los ntawm hydrogen thiab carbon dioxide. Insoluble hauv dej, soluble hauv hydrochloric acid, sulfuric acid, me ntsis soluble hauv nitric acid thiab poov xab. Nws muaj lub teeb pom kev zoo, kub tsis kam, acid tsis kam, alkali tsis kam thiab xeb kuj. Zoo dispersibility, muaj zog tinting thiab nkaum lub zog, tsis muaj roj permeability thiab dej permeability. tsis muaj tshuaj lom. Qhov siab tshaj plaws tso cai nyob rau hauv huab cua yog 5mg / m3.