Potentials of thermal lens spectroscopy for polymethacrylate optical sensors

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9 Citations (Scopus)


The sensitivity of the earlier proposed procedures for the determination of iron(II, III) with 1,10-phenanthroline, silver(I) with dithizone, mercury with copper(II) dithizonate, copper(II) with lead diethyldithiocarbamate, and ascorbic acid with 2,6-dichlorophenolindophenol using polymethacrylate opti- cal sensitive elements for solid phase spectrophotometry is enhanced through the use of thermal lens spec- trometry as the most sensitive method of molecular absorption spectroscopy. The limits of detection for all photometric reactions in the polymethacrylate matrix are reduced by an order of magnitude (to 10 nM) with- out substantial changes in the experimental conditions.

Original languageEnglish
Pages (from-to)623-628
Number of pages6
JournalJournal of Analytical Chemistry
Issue number6
Publication statusPublished - 1 Jun 2011


  • Photothermal spectrometry
  • Poly-methacrylate matrices
  • Solid-phase spectrophotometry
  • Thermal lens spectrometry

ASJC Scopus subject areas

  • Analytical Chemistry

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