The separation and simultaneous determination of V(IV) and V(V) species complexed with EDTA by IC-ICP-OES

Abstract

A method for the separation of V(IV) and V(V) in the form of the EDTA complexes using anion chromatography with a Dionex AG5 anion exchange guard column, and the simultaneous determination of V(IV) and V(V) by inductively coupled plasma optical emission spectrometery is described. The interference from other elements is negligible. The detection limits of V(IV) and V(V) were 0.02 mg/l and 0.05 mg/l, respectively, using a glass nebuliser and 2 µg/l for both species by using an ultrasonic nebuliser. The linear range was two orders of magnitude. The method was applied to the analysis of spiked water and industrial samples containing V in different oxidation states.

Trends in speciation analysis of vanadium in environmental samples and biological fluids—A review

“…Modern ICP-MS equipped with a dynamic reaction cell (DRC) can reduce the intensity of such mass interferences by approximately four orders of magnitude by using NH 3 as a reaction gas [57]. On-column formation of vanadium with EDTA and separation by anion chromatography and detection by ICP-OES was applied to the analysis of spiked water and industrial samples containing vanadium species [58]. Chelation ion chromatography (CIC) coupled with on-line detection via ICP-MS was developed, based on two chelating resin, bis(2-aminoethylthio) methylated resin (BAETM) and gamma-aminobutyrohydroxamate resin (gamma-ABHX) and elution using, nitric acid [59].…”

RETRACTED: Spectrophotometric determination of V(V) in environmental, biological, pharmaceutical and alloy samples by novel oxidative coupling reactions

“…Therefore, the determination of vanadium in environmental and biological samples is highly desirable. In survey of literature reveals that several analytical techniques have been reported for the determination of vanadium such as high performance liquid chromatography [2,3], voltammetry [4], atomic absorption spectrometry [5,6], spectrofluorimetry [7], atomic emission spectrometry [8] and ion chromatography inductively coupled plasma-optical emission spectrometry [9]. These techniques have also some limitations in terms of high cost of instruments used in routine analysis and matrix effects.…”

A spectrophotometric assay method for vanadium in biological and environmental samples using 2,4-dinitrophenylhydrazine with imipramine hydrochloride

“…The usual way to determine vanadium content in environmental samples is to use spectrometric methods such as atomic absorption spectrometry (Chakraborty and Das 1994), inductively coupled plasma-mass spectrometry (Noguchi 2008), inductively coupled plasma-atomic emission spectrometry (Danzaki 1992;Osamu Noguchi et al 2009;Hakim et al 2007), inductively coupled plasma-optical emission spectrometry (Wuilloud et al 2000), voltametry (Ensafia and Naderi 1997), high-performance liquid chromatography (Wang et al 1995), spectroflurimetry (Kawakubo et al 1995), ion chromatography inductively coupled plasma-optical emission spectrometry (Coetzee et al 2002), and ETAAS (Saavedra et al 2004). However, these techniques require highly expensive instruments for routine analysis, which every laboratory cannot afford.…”