Determination of Trace Levels of Elements in Urine by Inductively Coupled Plasma Mass Spectrometry
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概要
- 論文の詳細を見る
A biological specimen, urine, was prepared by the most simple sample preparation method, direct dilution, and determination of seven elements in the urine samples, Fe, Cu, Zn, Se, As, Cd, and Pb, was investigated by inductively coupled plasma mass spectrometry (ICP-MS). In addition, acid-decomposed samples were similarly investigated. Regarding the matrix effect of concomitant components, as the sodium hydrochloride concentration increased, the observed ion intensity of the measured element linearly decreased. Matrix interference by sodium hydrochloride could be fairly corrected by addition of internal standard elements excluding determination of Fe and Zn. On comparison of the measured values of samples prepared by direct dilution and acid-decomposition samples, the values were slightly lower in the samples prepared by direct dilution for many elements. For Zn and As, the analytical results of the human urine standard refer ence material were well consistent with the certified values.
- 公益社団法人日本薬学会の論文
- 2004-04-01
著者
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Fujimoto Yasuo
Coll. Of Humanities And Sciences Nihon Univ.
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Fujimoto Yasuo
College Of Humanities And Sciences Nihon University
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Nakagawa J
Dep. Of Food Sci. And Technol. Tokyo Univ. Of Agriculture
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Tezuka Masakatsu
College Of Pharmacy Nihon University
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Tsuchiya Yoshiteru
Cooperative Research and Development Center Yokohama National University
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Nakagawa Junichi
Department Of Food Science And Technology Faculty Of Bioindustry Tokyo University Of Agriculture
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Tsuchiya Yoshiteru
The Inst. Of Basic Environmental Res. Environmental Control Center Co. Ltd.
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Yashima Yoshimori
Thermo Electron kk
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