Development of a novel pH sensor based upon Janus Green B immobilized on triacetyl cellulose membrane: Experimental design and optimization

被引：13

作者：

Chamkouri, Narges ^{[1
]}

Niazi, Ali ^{[1
]}

Zare-Shahabadi, Vali ^{[2
]}

机构：

[1] Islamic Azad Univ, Arak Branch, Fac Sci, Dept Chem, Arak, Iran

[2] Islamic Azad Univ, Mahshahr Branch, Coll Chem Engn, Dept Chem, Mahshahr, Iran

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2016年 / 156卷

关键词：

pH optical sensor; Janus Green B; Triacetylcellulose membrane; Box-Behnken design; OPTICAL SENSOR; FILM; VALUES; RED; INDICATORS;

D O I：

10.1016/j.saa.2015.11.016

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

A novel pH optical sensor was prepared by immobilizing an azo dye called Janus Green B on the triacetylcellulose membrane. Condition of the dye solution used in the immobilization step, including concentration of the dye, pH, and duration were considered and optimized using the Box-Behnken design. The proposed sensor showed good behavior and precision (RSD <5%) in the pH range of 2.0-10.0. Advantages of this optical sensor include on-line applicability, no leakage, long-term stability (more than 6 months), fast response time (less than 1 min), high selectivity and sensitivity as well as good reversibility and reproducibility. (c) 2015 Published by Elsevier B.V.

引用

页码：105 / 111

页数：7

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