端视ICP-AES法同时测定玩具涂料中可溶性铅、镉、汞、砷、铬、锑、硒和钡

SIMULTANEOUS DETERMINATION OF SOLUBLE Pb,Cd,Hg,As,Cr,Sb,Se,Ba IN TOY BY AXIAL VIEW ICP-AES

采用端视电感耦合等离子体原子发射光谱（ICP-AES）法同时测定玩具涂料中可溶性铅、镉、汞、砷、铬、锑、硒和钡。对仪器的工作参数和被测元素的分析谱线进行了优化和选择。铅、镉、汞、砷、铬、锑、硒和钡的检出限分别为0．006、0．0009、0．012、0．023、0．0008、0．013、0．030和0．0006mg／L。定量下限分别为0．99、0．15、2．0、3．8、0．14、2．2、5，0和0．10mg/kg。相对标准偏差为0．76％～2．72％（n=8），加标回收率为96．0％～104．0％。该法适用于玩具涂料中铅、镉、汞、砷、铬、锑、硒和钡的快速测定。

The method for the simultaneous determination of Pb, Cd, Hg, As, Cr, Sb, Se and Ba in toy by axial view ICP - AES was presented. The plasma parameters and analytical wavelength were optimized and selected. The detection limits of Pb, Cd, Hg, As, Cr, Sb, Se, Ba were 0. 006, 0. 0009, 0. 012, 0. 023, 0. 000 8, 0. 013, 0. 030, 0. 0006 mg/L respectively. The lower quatitative limit were 0.99, 0.15, 2.0, 3.8, 0.14, 2.2, 5.0, 0.10 mg/kg respectively. The RSD was 0.76% -2.72% （n = 8）. The recoveries were 96.0% - 104.0%. The method was suitable for speedy determination of Pb, Cd, Hg, As, Cr, Sb, Se and Ba in toy.