【摘要】 将尿素添加到偏硼酸中 ,放入马弗炉内逐步升温至 3 0 0℃ ,可制得粉状三氧化二硼。此法特别适宜于高纯三氧化二硼的制备更多还原

【Abstract】 Urea,as additive,is added to metaboric acid and put in a resist stove Then it is slowly heated to 300℃ to give boric trioxide powder The method is suitable for the preparation of high pure boric trioxide更多还原