A linear direct reading conductance amplifier which is capable of following conductance changes due to chemical reactions in solution is described. It utilizes the simplifications in circuit design offered by operational amplifiers and has a sensitivity of 0.05% in each of the six ranges covering 0.025-10-7 Omega -1. Reactions with half-lives from 2 ms to several hours may be followed.
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Knipe et al. (1974) studied this question.
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