Ion-exchanger phase photoacoustic spectrometry for trace analysis of metal ions

Sunao Yamada, Kazuhisa Yoshimura

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Laser-induced photoacoustic spectroscopy has been applied to the determination of chromate, uranyl, and Cr(VI) and Fe(II) ions as coloured complexes that were sorbed on ion-exchanger beads. A simple photoacoustic cell has been constructed; it consisted of a fused silica glass tube and an attached cylindrical piezoelectric transducer. A pulsed laser fight at 532 or 355 nm irradiated the ion-exchanger beads that had been collected in the glass tube of the cell. Since a sample material was effectively concentrated on the ion exchanger, the sensitivity was much higher than that in the corresponding photoacoustic spectrometry in a solution state. The lowest detection limit was 0.21 ng/ml Fe for Fe(II)-DPPS (4,7-diphenyl-1,10-phenanthrolinedisulphonate) complex sorbed on QAE-Sephadex gel. Analytical characteristics of the present method are described.

Original languageEnglish
Pages (from-to)1013-1018
Number of pages6
JournalTalanta
Volume39
Issue number8
DOIs
Publication statusPublished - Jan 1 1992

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Chemistry(all)
  • Biochemistry
  • Spectroscopy

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