教配置AgNO3,La2O3 溶液?很奇怪, 怎么会用氧化镧做缓冲溶液啊? 氧化镧的在水中的溶解度很小, 估计是氧化镧的颗粒悬浮吧! yes, it is right. But the literatures show the RCP of AgNo3 with La2O3.After mixing together, i found some particles loading in the bottom, and even the particles become dark color,查看更多