Study on the Determination of Carbendazim in Water and Vegetable Samples

Ji Cheng Xu; Xin Shan Rong; Ting Tian; Feng Xian Qiu

doi:10.4028/www.scientific.net/AMR.955-959.1351

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 955-959Study on the Determination of Carbendazim in Water...

Study on the Determination of Carbendazim in Water and Vegetable Samples

Abstract:

The host-guest inclusion complex formation between 3, 3’-benzidine/β-cyclodextrin derivative (BDCD) and pesticide carbendazim was studied and characterized by TEM and XRD. The result showed that inclusion complex had hydrophobic small-molecule fluorophores. The fluorescence titration was performed to calculate binding constant, sensitivity factor and limit of detection of the resulting complex. Based on the enhancement of the fluorescence intensity of carbendazim produced throught complex formation, a new sensitive method for the determination of carbendazim was established. A linear relationship was obtained between the fluorescence intensity and carbendazim concentration in the range of 3.57 and 17.83 μmol/L. The correlation coefficient, the lowest limit of detection and RSD were 0.9916, 15.51 nmol/L and 2.13%, respectively. This method has better anti-interference ability and stability. The proposed method have been successfully applied to the determination of carbendazim pesticide residues in water, vegetable and fruit samples with satisfactory results, recoveries in the range of 87.56 % to 104.04 % were obtained.

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Periodical:

Advanced Materials Research (Volumes 955-959)

Pages:

1351-1354

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.955-959.1351

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Online since:

June 2014

Authors:

Ji Cheng Xu, Xin Shan Rong, Ting Tian, Feng Xian Qiu*

Keywords:

Fluorescence Spectroscopy, Inclusion Complex, Pesticide Residue, β-Cyclodextrin

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* - Corresponding Author

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