【摘要】 微波溶样装置溶解样品 ,浓缩后 ,调整酸度 ,稀释 ,阳离子交换树脂分离基体铌 ,ICP- AES法测定Li Nb O3 晶体中 Mg、Ca、V、Mn、Fe、Co、Ni、Cu、Zn、Cd等 10种杂质元素。该方法的检出限达 1μg/ g,回收率在 90 %— 110 %之间 ,RSD<5 %。更多还原

【Abstract】 A lithium niobate sample was dissolved by microwave instrument,concentrated,adjusted acidity,diluted and separated impurity elements from niobium by ion exchange resin.Impurity elements were determined by ICP-AES with the recovery of 90%—110% and the detection limit of less 1μg/g.更多还原