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Vol. 27 No. 10 (2015): Vol 27 Issue 10

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Indirect Determination of Vanadium in Solution of Tannin Desulfurization with Hydride Generation Atomic Fluorescence Spectrometry

https://doi.org/10.14233/ajchem.2015.18965
Jianping Lu
College of Chemistry and Chemical Engineering, Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, Nanning 530004, P.R. China
Menglin Qin
College of Chemistry and Chemical Engineering, Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, Nanning 530004, P.R. China
Minhua Xue
College of Chemistry and Chemical Engineering, Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, Nanning 530004, P.R. China
Jinglong Bu
College of Chemistry and Chemical Engineering, Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, Nanning 530004, P.R. China
Xiufang Lu
College of Chemistry and Chemical Engineering, Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, Nanning 530004, P.R. China
Jiaxing Cao
College of Chemistry and Chemical Engineering, Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, Nanning 530004, P.R. China

Corresponding Author(s) : Jianping Lu

ljianpi@hotmail.com

Asian Journal of Chemistry, Vol. 27 No. 10 (2015): Vol 27 Issue 10

Abstract

A method of indirect determination of vanadium in the solution of tannin desulfurization was established with atomic fluorescence spectrometry. In an acidic medium, a heteropoly acid consisting of vanadium, arsenic and molybdenum was generated. The acid, after extracted into an organic solvent which was evaporated afterwards, was dissolved in a diluted hydrochloric acid and the arsenic in the heteropoly acid was determined in proportional to vanadium by hydride generation fluorescence spectrometry. This method demonstrated the merits of simple operation, high precision, fast and low cost performance. Detection limit was 0.2030 μg/mL, standard calibration linearity located in 2-20 μg/mL, relative deviation was 1.7 %, recoveries were 101.4-105.1 %.

Keywords

Atomic fluorescence spectrometry Extraction Indirect determination Arsenic vanadium molybdenum heteropoly acid
Lu, J., Qin, M., Xue, M., Bu, J., Lu, X., & Cao, J. (2015). Indirect Determination of Vanadium in Solution of Tannin Desulfurization with Hydride Generation Atomic Fluorescence Spectrometry. Asian Journal of Chemistry, 27(10), 3763–3766. https://doi.org/10.14233/ajchem.2015.18965
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