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KMID : 0385520090220010044
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Analytical Science & Technology
2009 Volume.22 No. 1 p.44 ~ p.50
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Analysis of mercury and methylmercury in river sediment samples
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Lee Jung-Sup
Park Jae-Sung
Kang Hak-Gu
Cho Jae-Seok
Hong Eun-Jin
Jeong Gi-Taeg
Cha Jun-Seok
Jung Kwang-Yong
Kim Young-Hee
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Abstract
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In this study, the use of purge & trap GC-MS technique for determination of methylmercury in sediment samples was described. The method detection limit of the method was determined as 0.06 ng/g and the recovery of the method was 102±11.4%, with precisions better than 11.2%. The method was validated by analysis of CRMs such as ERM CC580 (estuarine sediment) and IAEA 405 (sediment). Additionally, the performance of the method was tested on river sediment samples and the analytical results were compared with those of the GC-CVAFS, which has been widely used for methylmercury analysis.
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KEYWORD
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methylmercury, mercury, distillation technique, purge & trap gc-ms, sediment
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