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1939•Cold Spring Harbor Symposia on Quantitative BiologyRequires access

POLAROGRAPHIC INVESTIGATIONS OF REVERSIBLE AND IRREVERSIBLE OXIDATIONS AND REDUCTIONS AT THE DROPPING MERCURY ELECTRODE

OTTO H. MÜLLER

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Abstract

For the first twelve years of its existence (1922-34), the polarographic method of Heyrov-sk~, was developed mpirically. A large number of reducible inorganic and organic substances was found, and convenient though arbitrary methods were developed for their analysis. By 1934, how-ever, some important factors influencing the height of the polarographic wave were recognized by Heyrovsk~, (1), and Ilkovi ~ (2) was able to give a formula for the diffusion current. The re-duction and deposition potentials used then showed only a vague relation to the potentio-metrically and thermodynamically established nor-mal electrode potentials of the reduced substances. This did not seem unreasonable, b cause in the

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For the first twelve years of its existence (1922-34), the polarographic method of Heyrov-sk~, was developed mpirically. A large number of reducible inorganic and organic substances was found, and convenient though arbitrary methods were developed for their analysis. By 1934, how-ever, some important factors influencing the height of the polarographic wave were recognized by Heyrovsk~, (1), and Ilkovi ~ (2) was able to give a formula for the diffusion current. The re-duction and deposition potentials used then showed only a vague relation to the potentio-metrically and thermodynamically established nor-mal electrode potentials of the reduced substances. This did not seem unreasonable, b cause in the

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Available abstract

For the first twelve years of its existence (1922-34), the polarographic method of Heyrov-sk~, was developed mpirically. A large number of reducible inorganic and organic substances was found, and convenient though arbitrary methods were developed for their analysis. By 1934, how-ever, some important factors influencing the height of the polarographic wave were recognized by Heyrovsk~, (1), and Ilkovi ~ (2) was able to give a formula for the diffusion current. The re-duction and deposition potentials used then showed only a vague relation to the potentio-metrically and thermodynamically established nor-mal electrode potentials of the reduced substances. This did not seem unreasonable, b cause in the

Key concepts: Polarography, Dropping mercury electrode, Chemistry, Potentiometric titration, Electrode, Mercury (programming language), Diffusion current, Electroanalytical method

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POLAROGRAPHIC INVESTIGATIONS OF REVERSIBLE AND IRREVERSIBLE OXIDATIONS AND REDUCTIONS AT THE DROPPING MERCURY ELECTRODE — Research Paper | ScholarLens