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114th General Meeting of Korean Chemical Society Determination of vanadium species by Ion Chromatography coupled with Inductively Coupled End-on-Plasma Atomic Emission Spectrometry

Submission Date :
8 / 28 / 2014 , 15 : 19 : 37
Abstract Number :
Presenting Type:
Poster Presentation
Presenting Area :
Authors :
박은수, 박민영, 남상호*
목포대학교 화학과, Korea
Assigned Code :
ANAL.P-557 Assigend Code Guideline
Presenting Time :
10월 15일 (수요일) 16:00~19:00
Extraction and determination of total vanadium (V) and V species in various samples were performed. The toxic and biological effects of V species depend on the different chemical forms in a sample. Acid digestion and microwave digestion methods were investigated for the extraction of total V. Ethylenediaminetetra acetic acid (EDTA) and sulfuric acid were also studied for the extraction solvent of V species. For the separation of V (IV) and V (V), the composition and flow rate of the eluent (EDTA, Tetrabutylammonium phosphate (TBAP) and methanol) were investigated and optimized with the ion chromatography. The separated V species were detected by inductively coupled end-on-plasma atomic emission spectrometry. The stability of the V species was affected by the sample pH. The V species in a V-enriched apple was V (IV), and its concentration was 0.61 mg/kg.