Chiang Mai Journal of Science

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Simplex optimization method is used for optimization of the polarographic signal (I_p). This signal is very sensitive to a set of adjustable transient parameters of polarographic technique, such as t_meas, t_pulse and t_step, which are defined as simplex parameters. The procedure for simplex optimization is illustrated by employing a triangular diagram of the normalized t-parameters. By this optimization method, the differential pulse polarographic current of a mixture of dioxovanadium (V)(VO₂⁺) and oxovanadium (IV) (VO²⁺) cations in sulfuric acid was enhanced about 3 times, while maintaining good linearity of the calibration curve.

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