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Voltammetric Determination of Boric Acid Using the Ternary Complexation System with Salicylaldehyde and H‐Acid
Author(s) -
Takehara Kô,
Fujimori Takao,
Inagi Kei,
Kajiwara Mari,
Harata Yoshikazu,
Yoshimura Kazuhisa
Publication year - 2013
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.201200527
Subject(s) - boric acid , salicylaldehyde , chemistry , detection limit , inorganic chemistry , ternary operation , electrochemistry , perchloric acid , ternary complex , boron , coulometry , electrode , nuclear chemistry , chromatography , organic chemistry , polymer chemistry , schiff base , enzyme , computer science , programming language
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 0.10 mg B dm −3 . The proposed method was successfully used for boric acid determination in the water from a seawater desalination RO plant.