(a) Preconcentration and stripping phases of the analysis; (b) excitation signal using differential pulse anodic stripping voltammetry.
Schematic diagram of the electrochemical instrumentation system.
Two-space scatter diagram representing the amplitude of peak current vs oxidation potential for two heavy metals.
Neural network with three layers of neurons.
Flow chart of the operation of the electrochemical instrument for identification of heavy metals.
Amplitude peak vs oxidation potential for the six different metals.
Configuration of the neural network.
Training error during neural network training.
Probability of classification.
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