The method for determination of impurities Co,Mn,Mg,Cr,Si,Cu, Al and Ni in Be by ICP-AES is studied. The Be sample is dissolved by HCl,and is extracted by DBPA-benzoyl from HNO3 medium.

• 研究用HCl溶解金属铍,在HNO_3介质中用磷酸二丁酯(DBPA)-苯萃取,将铍与待测杂质元素分离。 用LCP-AES法测定Co、Mn、Mg、Cr、Si、Cu、Al、Ni8种杂质元素的含量。