电感耦合等离子体原子发射光谱法(ICP-OES)测定铍铀伴生矿石中的铍  

Determination of Beryllium in Beryllium Associated Uranium Ore by Inductively Coupled Plasma Optical Emission Spectrometry

作　　者：杜桂荣[1] 赵杰 丁红芳[1] 刘扬[1] 王春叶[1] 

机构地区：[1]核工业北京化工冶金研究院,北京101149 [2]西安中核蓝田铀业公司,西安710500

出　　处：《中国无机分析化学》2015年第2期30-33,共4页Chinese Journal of Inorganic Analytical Chemistry

基　　金：中国核工业集团公司地矿事业部2013年度自主研发项目"铍铀矿石综合回收试验研究及分析方法建立"资助

摘　　要：建立了电感耦合等离子体原子发射光谱法（ICP-OES）测定铍铀伴生矿石中的铍的方法,研究了酸溶-碱熔融法溶样过程中加入的焦硫酸钾,对ICP-OES法测定铍铀伴生矿石中的铍含量产生的基体干扰问题。主要阐述消除基体干扰的一些措施。从实验数据可知,控制称样量、焦硫酸钾加入量、定容体积和加标稀释倍数,能够有效消除焦硫酸钾对ICP-OES法测定结果的基体干扰,6次平行测定结果的相对标准偏差为3.4%,加标回收率为98.7%~104.4%,实验表明,方法准确、可靠。In this study, an inductively coupled plasma optical emission spectrometric method for determining beryllium in beryllium associated uranium ore was established. Matrix interference from potassium pyrosulfate, which was added to the digestion solution with alkali fusion and acid dissolution, was investigated, and measures to eliminate the matrix interference were discussed. The results showed that sample weight, potassium pyrosulfate adding amount, constant volume and dilution ratio should be control to effectively eliminate the matrix interference. The relative standard deviation was 3.40%（n=6）. The recovery was 98.7%~104.4%. The proposed method is reliable, accurate, and has been proved by practical application.

关 键 词：铍 电感耦合等离子体发射光谱法 标准加入法 酸溶-碱熔融 铍铀伴生矿 

分 类 号：O657.31[理学—分析化学] TH744.11[理学—化学]