Determination of boron in water samples at nanograms per cubic decimeter levels by reversed-phase partition high-performance liquid chromatography with precolumn complexation reaction using salicylaldehyde and 1-amino-8-naphthol-3, 6-disulfonate

Toru Takahashi, Satoshi Yawata, Hitoshi Hoshino

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

A new method for the highly sensitive and selective determination of boron at nanograms per cubic decimeter levels has been developed based on the derivatization reaction of boron using salicylaldehyde and 1-amino-8-naphtol-3, 6-disulfonate with reversed-phase partition high-performance liquid chromatography. A detection limit as low as 2.0 nmol/dm3 (22 ng/dm3) was achieved without any preconcentration. No significant interference was observed in the determination of 16 μmol/dm3 of boron with the addition of nine metal ions (AlIII, CuII, CoII, FeII, FeIII, NiII, Mn II, VV, ZnII) at concentrations 100 times greater than that of boron without any masking procedure. The proposed method was successfully applied to the determination of boron in river water, tap water, doubly distilled water, and highly purified water.

Original languageEnglish
Pages (from-to)1101-1106
Number of pages6
JournalAnalytical and Bioanalytical Chemistry
Volume391
Issue number3
DOIs
Publication statusPublished - 2008 Jun

Keywords

  • 1-Amino-8-naphthol-3
  • 6-disulfonate
  • Boron
  • High-performance liquid chromatography
  • Nanograms per cubic decimeter
  • Salicylaldehyde

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry

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