Simultaneous multi-element analysis for trace metals in sea water by inductively-coupled plasma/atomic emission spectrometry after batch preconcentration on a chelating resin

Chu Jia Cheng, Tasuku Akagi, Hiroki Haraguchi

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Abstract

Batch treatment with Chelex-100 resin was investigated for preconcentration of trace metals in sea water followed by determination by inductively-coupled plasma atomic emission spectrometry. The preconcentration conditions such as resin weight, stirring time, and amount of ammonium acetate buffer solution were carefully examined for effective multi-element preconcentration from sea water. The resin weight could be decreased to 0.5 g (dry weight) for 1 l of sea water, which was much less than that required in the column method, and a preconcentration factor of 100 was achieved. Al, Ti, V, Mn, Fe, Co, Ni, Cu, Zn, Y, Mo, Cd and Pb in sea water were measured with good precision. The detection limits ranged from 6 to 180 ng l-1. The time required for one sample by the batch method was only 3 h.

Original languageEnglish
Pages (from-to)173-181
Number of pages9
JournalAnalytica Chimica Acta
Volume198
Issue numberC
DOIs
Publication statusPublished - Jan 1 1987
Externally publishedYes

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Seawater
Trace Elements
Inductively coupled plasma
Chelation
Spectrometry
trace metal
spectrometry
resin
Spectrum Analysis
Resins
Metals
seawater
plasma
Water
Weights and Measures
Limit of Detection
acetate
Buffers
ammonium
Trace metals

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Biochemistry
  • Environmental Chemistry
  • Spectroscopy

Cite this

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abstract = "Batch treatment with Chelex-100 resin was investigated for preconcentration of trace metals in sea water followed by determination by inductively-coupled plasma atomic emission spectrometry. The preconcentration conditions such as resin weight, stirring time, and amount of ammonium acetate buffer solution were carefully examined for effective multi-element preconcentration from sea water. The resin weight could be decreased to 0.5 g (dry weight) for 1 l of sea water, which was much less than that required in the column method, and a preconcentration factor of 100 was achieved. Al, Ti, V, Mn, Fe, Co, Ni, Cu, Zn, Y, Mo, Cd and Pb in sea water were measured with good precision. The detection limits ranged from 6 to 180 ng l-1. The time required for one sample by the batch method was only 3 h.",
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