Resonance Rayleigh Scattering Spectral Determination of Vitamin C by Nanogold Catalysis

Gui Qing Wen; Zhi Liang Jiang

doi:10.4028/www.scientific.net/AMM.260-261.815

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 260-261Resonance Rayleigh Scattering Spectral...

Resonance Rayleigh Scattering Spectral Determination of Vitamin C by Nanogold Catalysis

Abstract:

The nanogold catalysis effect on the reaction between HAuCl4 and Vitamin C (VC) was studied by resonance Rayleigh scattering (RS) spectroscopy at 540 nm, and a simple, rapid RS spectral method was established to determine VC. Under the chosen conditions, the increased intensity at 540 nm was linear to the VC concentration in the range of 7×10^-6-2.8×10^-4mol/L, with a regression equation of ΔI540 = 2.98 CVC + 13.4, a correlation coefficient of 0.9909 and a detection limit of 2×10^-6 mol/L VC. The proposed method was applied to detect VC content in VC tablets and beverage samples, with simplicity, rapidity and accuracy.

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Periodical:

Applied Mechanics and Materials (Volumes 260-261)

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815-819

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.260-261.815

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Online since:

December 2012

Authors:

Gui Qing Wen, Zhi Liang Jiang

Keywords:

Nanogold Catalysis, Resonance Rayleigh Scattering Spectral Method, Vitamin C

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