[Highly sensitive spectrofluorimetric determination of trace amounts of chromium (VI) with mono[6-o-(4-aminobenzoic acid)]-beta-cyclodextrin]

Guang Pu Xue Yu Guang Pu Fen Xi. 2005 Jul;25(7):1103-5.
[Article in Chinese]

Abstract

A novel fluorescence probe, mono[6-o-(4-aminobenzoic acid)]-beta-cyclodextrin(ACD), was synthesized, and a new sensitive fluorescence identification reaction was studied based on the reaction of Cr2O7(2-) with compound ACD in NaAc-HAc buffer medium at pH 4.90. Under optimal conditions the determination limit was 1.26 microg x L(-1). The linear range was 5.20-1040 microg x L(-1). This method has been applied to the determination of trace amounts of chromium (VI) in electroplating liquor, electroplating waste water with satisfactory results.

Publication types

  • English Abstract

MeSH terms

  • Chromium / analysis*
  • Chromium / chemistry
  • Fluorescent Dyes / chemical synthesis
  • Fluorescent Dyes / chemistry*
  • Hydrogen-Ion Concentration
  • Reproducibility of Results
  • Spectrometry, Fluorescence / methods*
  • Water Pollutants, Chemical / analysis
  • beta-Cyclodextrins / chemical synthesis
  • beta-Cyclodextrins / chemistry*

Substances

  • Fluorescent Dyes
  • Water Pollutants, Chemical
  • beta-Cyclodextrins
  • mono(6-O-(4-aminobenzoic acid))-beta-cyclodextrin
  • Chromium
  • betadex