A new data analysis method to determine pesticide concentrations by cyclic voltammetry
2013
Chen, J. | Chen, C.
Determining pesticide concentration is very important for safe agricultural products. In this study, a new data analysis method was developed to determine the concentration of Carbofuran pesticides by cyclic voltammetry. The peak current and two specific area indexes calculated from the cyclic voltammetry curves served as the dependent variables. The concentrations of Carbofuran pesticides were used as the independent variables. The inverse calibration equation was used to evaluate the predictive performance. The results indicated that the numeric values of the cyclic voltammogram area ranging from 0.5 to 0.9V were the best index value of pesticide concentration. The precision of this index was better than that of others two indexes. The accuracy of the determination technique with the calibration equation was within 5ppm by the adequate calibration equation.
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