複選題
21. Which of the following statements concerning voltammetry are INCORRECT?
(A) The working electrode carries out the electrochemical even of interest.
(B) The progressive scanning of carbon electrodes is extended to more negative potentials than
platinum or gold electrodes.
(C) A sharp peak profile for each species is observed in differential pulse voltammetry
(D) A charging current results from redox reactions at the working electrode and the auxiliary
electrodes.
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