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Reference type: Journal
Authors: Liu XY, Zhang X, Zhou Q, Bai B, Ji SJ
Article Title: Spectrometric Determination of Rhodamine B in Chili Powder After Molecularly Imprinted Solid Phase Extraction.
Publication date: 2013
Journal: Bulletin of the Korean Chemical Society
Volume: 34
Issue: (11)
Page numbers: 3381-3386.
DOI: 10.5012/bkcs.2013.34.11.3381

Abstract: This paper reports a method using molecularly imprinted polymers that are grafted onto the surface of carboxyl modified multi-walled carbon nanotubes as the solid-phase extraction adsorbents to detect Rhodamine B in chili powder samples. The polymers were characterized by FTIR and TGA. Various parameters which probably influence efficiency of extraction were optimized. The analytical parameters such as precision, accuracy and linear working range were also determined in optimal experimental conditions. And the proposed method was applied to analysis of Rhodamine B in chili powder samples. The limits of detection and quantification were 2.57 and 8.56 μg/g, respectively. The recoveries for analytes were higher than 95% and relative standard deviation values were found to be in the range of 0.83-4.15%. This method was successfully applied for the determination of Rhodamine B.
Template and target information: rhodamine B
Author keywords: Rhodamine B, Chili powder, Molecularly imprinted polymers, Solid-phase extraction, Multiwalled carbon nanotubes


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