摘要
稀盐酸除去碳酸钡和硫酸钙 ,残渣跑氢氟酸除去SiO2 ,恒重为测定BaSO4>90 %以上 ,方法简单、快速。
This paper introduces a rapid determination of barium sulfate in high grade barite,via.removal of calcium sulfate and barium carbonate with dilute hydrochloride,then removal of silicon dioxide in residue with hydrofluoric acid.A great deal of experiments show that the method has the advantages of simple and rapid with satisfied results.
出处
《贵州化工》
2004年第6期28-28,32,共2页
Guizhou Chemical Industry
关键词
重晶石
硫酸钡
恒重
Barite,barium slfate,constant weight
