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Measurement of Heavy Metals Using Portable XRF in Children's Playing Goods
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 Title & Authors
Measurement of Heavy Metals Using Portable XRF in Children's Playing Goods
Kim, Hyung-Jin; Baek, Young Man; Jung, Kyung Hoon; Hong, Suk Youn; Heo, Hwa Jin; Seong, Jin Uk; Park, Je Chul;
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The present study was conducted to judge the applicability of field quality control by children's goods manufacturers by assessing the contents of heavy metals such as Pb and Cd in outdoor play goods for children through measurement using Portable XRF and comparing the results through detailed analyses using ICP. Heavy metal contents of 711 part samples of 505 products were measured using XRF. According to the results, the ratio of products that exceeded the Pb and Cd content standards specified under the Quality Management and Safety Control of Industrial Products Act were 2.4% and 2.6%. Many products certified for self-regulated safety exceeded the standards and thus it was considered that harmful chemical material centered safety management systems would be necessary. Detailed ICP analyses of some products were compared and the results showed deviations of 0.9~80.8% from XRF results. The reasons for this are deviations in the characteristics of measured cross sections and the homogeneity of samples resulting from sample preparation methods, etc. Therefore, it is considered that field quality control will be applicable if measuring methods are efficiently established based on product characteristics and calibration curve preparation methods are established through quality control.
Children;Playing Goods;Heavy Metal;QA/QC;SRM;XRF;
 Cited by
위해성에 근거한 어린이용품 함유가능 환경유해인자 135종의 관리를 위한 향후 과제,김정곤;서정관;김탁수;박건호;

Journal of Environmental Science International, 2014. vol.23. 7, pp.1277-1287 crossref(new window)
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