Barium carbonate, tshuaj formula BaCO3, molecular hnyav 197.336. Dawb hmoov. Insoluble hauv dej, ntom 4.43g / cm3, melting point 881 ℃. Decomposition ntawm 1450 ° C tso carbon dioxide. Me ntsis soluble nyob rau hauv dej uas muaj carbon dioxide, tab sis kuj soluble nyob rau hauv ammonium chloride los yog ammonium nitrate tov los tsim ib tug complex, soluble nyob rau hauv hydrochloric acid, nitric acid kom tso carbon dioxide. Tshuaj lom. Siv nyob rau hauv electronics, instrumentation, metallurgy kev lag luam. Kev npaj cov foob pob hluav taws, kev tsim cov teeb liab plhaub, ceramic coatings, optical iav accessories. Nws kuj tseem siv tau los ua cov tshuaj tua kab mob, dej clarifier thiab muab tub lim.
Barium carbonate yog ib qho tseem ceeb inorganic compound nrog cov tshuaj formula BaCO3. Nws yog cov hmoov dawb uas yog insoluble hauv dej tab sis yooj yim soluble nyob rau hauv muaj zog acids. Qhov no multifunctional compound yog dav siv nyob rau hauv ntau yam lag luam vim nws cov khoom tshwj xeeb.
Qhov hnyav molecular ntawm barium carbonate yog 197.336. Nws yog cov hmoov dawb zoo nrog qhov ntom ntawm 4.43g / cm3. Nws muaj qhov melting point ntawm 881 ° C thiab decomposes ntawm 1450 ° C, tso carbon dioxide. Txawm hais tias tsis zoo soluble hauv dej, nws nthuav tawm me ntsis solubility hauv dej uas muaj carbon dioxide. Kuj tseem tuaj yeem tsim cov complexes, soluble hauv ammonium chloride lossis ammonium nitrate tov. Tsis tas li ntawd, nws yooj yim soluble hauv hydrochloric acid thiab nitric acid, tso carbon dioxide.