Authors: Akagi, Tasuku¹; Nojiri, Yukihiro²; Matsui, Masahiro³; Haraguchi, Hiroki¹

Source: Applied Spectroscopy, Volume 39, Issue 4, Pages 579-741 (July/August 1985) , pp. 662-667(6)

Publisher: Society for Applied Spectroscopy

Abstract:

Zirconium coprecipitation for simultaneous multielement determination of trace metals in seawater has been examined by inductively coupled plasma atomic emission spectrometry. Optimum pH conditions and other experimental procedures for coprecipitation were investigated in order that the method for multielement preconcentration could be evaluated. The concentration factor of 20 times the original concentration was obtained, although it was limited by spectral interference with zirconium. The present coprecipitation method improves the detection limits and other analytical figures of merit for 17 trace metals (Al, As, Cd, Co, Cr, Cu, Fe, La, Mn, Mo, Ni, Pb, Sb, Ti, V, Y, and Zn), which were estimated by the use of artificial seawater samples, and it was applied to natural seawater analysis.

Keywords: Trace metals; Seawater; Inductively coupled plasma; Atomic emission spectrometry; Zirconium coprecipitation

Document Type: Research article

DOI: http://dx.doi.org/10.1366/0003702854250211

Affiliations: 1: Department of Chemistry, Faculty of Science, University of Tokyo, Bunkyo-ku, Tokyo 113, Japan 2: Department of Chemistry, Faculty of Science, University of Tokyo, Bunkyo-ku, Tokyo 113, Japan; present address: Division of Chemistry and Physics, National Institute for Environmental Studies, Yatabe, Ibaraki 305, Japan 3: Department of Chemistry, Faculty of Science, University of Tokyo, Bunkyo-ku, Tokyo 113, Japan; present address: Asahi Chemical Industry Co., Ltd., Samejima, Fuji, Shizuoka 416, Japan

Publication date: 1985-07-01

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