Voltammetric Determination of Boric Acid Using the Ternary Complexation System with Salicylaldehyde and H-Acid

Kô Takehara, Takao Fujimori, Kei Inagi, Mari Kajiwara, Yoshikazu Harata, Kazuhisa Yoshimura

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

A square-wave voltammetric method for the determination of boric acid in water has been described based on the new understanding of the electrochemical behavior of boric acid-Azomethine H complexation. Salicylaldehyde and H-acid were used as the starting materials of boric acid-Azomethine H complex and their concentrations were optimized for boric acid determination in water. A glassy carbon electrode, instead of a conventional mercury electrode, was used in the measurement. The detection limit of the proposed method was 0.10mgBdm-3. The proposed method was successfully used for boric acid determination in the water from a seawater desalination RO plant.

Original languageEnglish
Pages (from-to)387-393
Number of pages7
JournalElectroanalysis
Volume25
Issue number2
DOIs
Publication statusPublished - Feb 1 2013

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Electrochemistry

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