Electrochemical Determination of Boric Acid Using the Boric Acid - Tiron Complexation System

被引：13

作者：

Fujimori, Takao ^{[1
,3
]}

Akimoto, Hiroshi ^{[1
]}

Tsuji, Yutaka ^{[2
]}

Takehara, Ko ^{[1
]}

Yoshimura, Kazuhisa ^{[1
]}

机构：

[1] Kyushu Univ, Fac Sci, Dept Chem, Fukuoka 8128581, Japan

[2] Kurume Natl Coll Technol, Kurume, Fukuoka 8308555, Japan

[3] Japan Soc Promot Sci, Chiyoda Ku, Tokyo 1028472, Japan

来源：

ELECTROANALYSIS | 2010年 / 22卷 / 12期

关键词：

Boron determination; Tiron; Cyclic voltammetry; DPV; Phosphate buffer effect; DIFFERENTIAL-PULSE POLAROGRAPHY; ELECTROORGANIC SYNTHESIS; 3-SUBSTITUTED CATECHOLS; BORON REMOVAL; AZOMETHINE-H; VOLTAMMETRY; SPECIATION;

D O I：

10.1002/elan.200900562

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

For monitoring the boron concentration in reverse osmosis (RU) water produced by desalination plants, a voltammetric determination method for the amount of electrochemically inactive boron has been developed by using the complexation with 4,5-dihydroxybenzene-1,3-disulfonic acid (Tiron). Cyclic voltammetric measurements showed the oxidation peak of boric acid-Tiron 1:1 complex at 920 mV. This peak was successfully applied to the determination of boron in RU water with the LOD of 0.1 mg B dm(-3) by using differential pulse voltammetry. The redox and acid-dissociation behaviors of Tiron and its boron complex are found to depend on the properties of pH buffer reagent.

引用

页码：1337 / 1343

页数：7

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