Spectrometric Determination of Rhodamine B in Chili Powder After Molecularly Imprinted Solid Phase Extraction 


Vol. 34,  No. 11, pp. 3381-3386, Nov.  2013
10.5012/bkcs.2013.34.11.3381


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  Abstract

This paper reports a method using molecularly imprinted polymers that are grafted onto the surface of carboxylmodified 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.

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  Cite this article

[IEEE Style]

X. Liu, X. Zhang, Q. Zhou, B. Bai, S. Ji, "Spectrometric Determination of Rhodamine B in Chili Powder After Molecularly Imprinted Solid Phase Extraction," Bulletin of the Korean Chemical Society, vol. 34, no. 11, pp. 3381-3386, 2013. DOI: 10.5012/bkcs.2013.34.11.3381.

[ACM Style]

Xiuying Liu, Xuan Zhang, Qian Zhou, Bing Bai, and Shujuan Ji. 2013. Spectrometric Determination of Rhodamine B in Chili Powder After Molecularly Imprinted Solid Phase Extraction. Bulletin of the Korean Chemical Society, 34, 11, (2013), 3381-3386. DOI: 10.5012/bkcs.2013.34.11.3381.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949