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A New Catalytic Kinetic Method for the Determination of Trace Amounts Vanadium with Resonance Rayleigh Scattering Detection

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Abstract:

A new catalytic kinetic method for the determination of vanadium (V) was proposed, based on the V (V) catalyze the slow reaction between KClO3 and phenylgycollic acid (PA) in 0.6 mol/L H2SO4 solution at 100 °C. The reduction product of ClO3-, Cl-, reacts with Ag+ to form (AgCl)n nanoparticles. The nanoparticles exhibit a max resonance scattering spectral peak at 470 nm and a strongest fluorescence peak at 470 nm. The resonance scattering intensity at 470 nm is linear to the V concentration in the range of 2.0×10-9 mol/L to 4.0×10-8 mol/L. The influence factors on the catalytic resonance scattering determination of trace vanadium were examined. This catalytic resonance scattering spectral method has been applied to the analysis of vanadium in real samples, with satisfactory results.

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Periodical:

Advanced Materials Research (Volume 716)

Pages:

66-69

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.716.66

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Online since:

July 2013

Authors:

Xin Hui Zhang, Le Ning Hu, Ai Hui Liang

Keywords:

Catalytic Method, Phenylgycollic Acid, Resonance Rayleigh Scattering, Vanadium

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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