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Determination of stable lead isotope ratios in environmental samples: Combination of microwave digestion and ICP-MS |
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| Authors: | H. Kawamura H. Tagomori N. Matsuoka Y. Takashima S. Tawaki N. Momoshima |
| Affiliation: | (1) Kyushu Environmental Evaluation Association, Matsukadai, Higashi-ku, 813-0004 Fukuoka, Japan;(2) Department of Chemistry, Faculty of Science, Kyushu University, Hakozaki, Higashi-ku, 812-0053 Fukuoka, Japan;(3) Institute of Environmental Systems, Kyushu University, Hakozaki, Higashi-ku, 812-0053 Fukuoka, Japan;(4) Environmental Engineering Group, Research Laboratory, Kyushu Electric Power Co., Inc., Shiobaru, Minami-ku, 815-0032 Fukuoka, Japan |
| Abstract: | Microwave digestion was applied as pretreatment of environmental samples for the determination of lead isotope ratios by ICP-MS. Microwave digestion decomposed the samples easily and rapidly without lead contamination. The lead isotope ratios could be measured directly by ICP-MS without tedious lead purification, because the influence of the matrix elements on measurements of lead isotope ratios is small enough to be ignored. |
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