期刊
JOURNAL OF THE SERBIAN CHEMICAL SOCIETY
卷 75, 期 5, 页码 681-687出版社
SERBIAN CHEMICAL SOC
DOI: 10.2298/JSC090624033P
关键词
pesticide; thiamethoxam; differential pulse voltammetry; carbon paste electrode; tricresyl phosphate
资金
- Ministry of Science and Technological Development of the Republic of Serbia [142029]
- Secretariat for Science and Technological Development of AP Vojvodina, Republic of Serbia [114-451-00663/2009-01, 114-451-02011/2007-02]
- Central European Exchange Programme for University Studies [CII-CZ-0212-02-0910]
The objective of the work was to investigate the possibility of using a tricresyl phosphate-based carbon paste electrode for the direct voltammetric determination of the neonicotinoid insecticide thiamethoxam. The analyte was determined by differential pulse voltammetry in Britton-Robinson buffer pH 7.0 in the concentration range of 3.72-41.5 mu g mL(-1). The reproducibility of the analytical signal at the 7.29 mu g mL(-1) level was characterized by a relative standard deviation of 1.3 %. The applicability of the developed method was evaluated by determining thiamethoxam in a river water sample and a commercial formulation Actara 25 WG.
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