By the combination of the extraction with P_ ( 350 ) and the stannous chloride method for the extractive separation and the determination of tellurium in the sample of crude selenious oxide satisfactory results were obtained .

结合氯化亚锡法，萃取法用于 二 氧化硒样品中对 碲的萃取分离和测定，获得良好结果。

Treatment of Tellurium Oxide Containing Selenium and Arsenic

高硒砷 二 氧化 碲的处理

Novel rare-earth contained bismuth telluride thermoelectric materials were prepared by solvothermal synthesis at 180 ℃ using bismuth chloride tellurium powder and lanthanum chloride or oxide as starting materials and the following hot uniaxial pressing ( HUP ) 400 ℃ at 50 () MPa for 1h .

以氯化铋、 碲粉、氯化镧或 氧化镧为原料，采用180℃溶剂热合成和400℃、50MPa、1h热压技术制备了含稀土的新型Bi2Te3基热电材料。