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A steel rebar is corroding within a concrete structure- you are asked to estimate the corrosion...

A steel rebar is corroding within a concrete structure- you are asked to estimate the corrosion rate of the steel rebar and given a potentiostat, along with the reference and counter electrodes. Your manager asks you to perform a cyclic potentiodynamic polarisation test on the rebar. Why you need to refuse the manager?

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