Simultaneous multielement determination of trace metals in seawater by inductively coupled plasma atomic emission spectrometry using chelating resin column preconcentration

Jia Cheng Chu, Tasuku Akagi, Hiroki Haraguchi

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Abstract

Preconcentration of trace metals in seawater using a Chelex-100 resin column was investigated for simultaneous determination by inductively coupled plasma atomic emission spectrometry (ICP-AES). The optimum preconcentration conditions were examined in detail. With 100 ml of 1 M ammonium acetate buffer solution (1 M=l mol dm-3), the matrix elements in seawater could be removed sufficiently without loss of analytes. The concentration factor of 200 times could be achieved by dissolving the dried HNO3 eluent of the column. The blanks of the method were negligibly small for most elements investigated. The detection limits were in the range of several ng/1 to 100ng/l for Al, Cd, Co, Cr, Cu, Fe, Mn, Mo, Ni, Pb, Ti, V, and Zn. The present technique was applied to the determination of trace metals in coastal and ocean seawater.

Original languageEnglish
Pages (from-to)3229-3234
Number of pages6
JournalBulletin of the Chemical Society of Japan
Volume58
Issue number11
DOIs
Publication statusPublished - Nov 1 1985

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Inductively coupled plasma
Chelation
Seawater
Spectrometry
Resins
Buffers
Trace metals

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

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abstract = "Preconcentration of trace metals in seawater using a Chelex-100 resin column was investigated for simultaneous determination by inductively coupled plasma atomic emission spectrometry (ICP-AES). The optimum preconcentration conditions were examined in detail. With 100 ml of 1 M ammonium acetate buffer solution (1 M=l mol dm-3), the matrix elements in seawater could be removed sufficiently without loss of analytes. The concentration factor of 200 times could be achieved by dissolving the dried HNO3 eluent of the column. The blanks of the method were negligibly small for most elements investigated. The detection limits were in the range of several ng/1 to 100ng/l for Al, Cd, Co, Cr, Cu, Fe, Mn, Mo, Ni, Pb, Ti, V, and Zn. The present technique was applied to the determination of trace metals in coastal and ocean seawater.",
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AU - Chu, Jia Cheng

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AU - Haraguchi, Hiroki

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