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https://open.uns.ac.rs/handle/123456789/9749
Nаziv: | A rapid spectrophotometric determination of imidacloprid in selected commercial formulations in the presence of 6-chloronicotinic acid | Аutоri: | Guzvanj (Guzsvány), V. Papp Z. Lazić, Sanja Gaál F. Bjelica L. Abramović, Biljana |
Dаtum izdаvаnjа: | 1-дец-2009 | Čаsоpis: | Journal of the Serbian Chemical Society | Sažetak: | A simple first-order derivative spectrophotometric method was developed for the simultaneous determination of imidacloprid and 6-chloronicotinic acid (6-CNA). By using the zero-crossing approach, imidacloprid was determined at 249 nm and 6-CNA at 236 nm with detection limits of 0.32 and 0.17 μg mL-1, respectively, and relative standard deviations not exceeding 1.2 % in the case of model systems. The proposed method was applied for the determination of imidacloprid and 6-CNA in commercial formulations. A conventional spectrophotometric method (at 270 nm) was also employed for the determination of the content of imidacloprid in the same commercial formulations. The results of the developed spectrophotometric methods were in good agreement with those obtained by the high-performance liquid chromatographic method. 2009 Copyright (CC) SCS. | URI: | https://open.uns.ac.rs/handle/123456789/9749 | ISSN: | 03525139 | DOI: | 10.2298/JSC0912455G |
Nаlаzi sе u kоlеkciјаmа: | POLJF Publikacije/Publications |
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