Habibollah Khajehsharifi - Department of Chemistry, Yasouj University, P. O. Box: ۷۵۹۱۸-۷۴۹۳۴, Under Hill Yasouj, Iran
Mohammad Mahdi Bordbar - Department of Chemistry, Yasouj University, P. O. Box: ۷۵۹۱۸-۷۴۹۳۴, Under Hill Yasouj, Iran
Parivash Esfandiary - Department of Chemistry, Yasouj University, P. O. Box: ۷۵۹۱۸-۷۴۹۳۴, Under Hill Yasouj, Iran

The characterization of and construction of a new optical sensor based on the immobilization of Pyrocatechol Violet on a triacetylcellulose membrane was described to for the determination of bismuth (III) in real samples. The interaction between sensing membrane and bismuth (III) was caused at pH ۳.۸۰ in acetate buffer solution and the color changed from yellow to blue along with the appearance of a strong peak appears at ۶۱۳ nm. The effect of parameters on the preparation of the sensor and determination of V (IV) ions was investigated. At the optimal condition, this optical sensor has a linear range of ۴.۹۸-۴۷.۶۰ µM with a limit of detection of ۰.۱۱ µM. Bismuth (III) can be detected within ۱۰ min. The working range was improved by using PC-ANN algorithm. The sensor could be regenerated with ۰.۱ M hydrochloric acid solution. Bismuth (III) detection method was applied to determine Bismuth (III) ions in biological and environmental samples.

Bismuth(III), ICP-AES, Optical sensor, PC-ANN, Pyrocatechol violet