ICP-MS Determination of 17 Hazardous Elements in Toy Materials

The sample of toy materials was treated by microwave assisted digestion,and the contents of Al,Sb,As,Ba,B,Cd,Cr,Co,Cu,Pb,Mn, Hg,Ni,Se,Sr,Sn and Zn in the sample solution were determined by ICP-MS.The polyatomic ion effect was eliminated by collision cell technique (CCT).The values of detection limit of the method found were in the range of 0.003-0.09 μg·L-1.The proposed method was applied in the analysis of sample of colorized cloth,giving values of recovery in the range of 84.5%-106.0%,and RSD′s (n=7) in the range of 1.00%-5.79%.This method has favorably met with the testing requirements of EU directives for toy materials.