An Electrochemical pH-STAT

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Description

An apparatus has been developed which controls automatically the acidity of unbuffered solutions in the region from pH 4 to 10. A potentiostat is used to control the potential of an inert electrode on which the hydrogen gas-hydrogen ion reaction occurs in a solution saturated with hydrogen gas. The inert electrode acts as both a sensing element and a regulating electrode for the control of acidity. Current from the potentiostat passes through the inert electrode and an auxiliary polarizing electrode in an external compartment separated from the main cell by a salt bridge or porous plate. Transients which occur during … continued below

Physical Description

29 pages : illustrations.

Creation Information

Posey, F. A. (Franz Adrian), 1930-; Morozumi, T. & Kelly, E. J. October 1963.

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Description

An apparatus has been developed which controls automatically the acidity of unbuffered solutions in the region from pH 4 to 10. A potentiostat is used to control the potential of an inert electrode on which the hydrogen gas-hydrogen ion reaction occurs in a solution saturated with hydrogen gas. The inert electrode acts as both a sensing element and a regulating electrode for the control of acidity. Current from the potentiostat passes through the inert electrode and an auxiliary polarizing electrode in an external compartment separated from the main cell by a salt bridge or porous plate. Transients which occur during the regulating action are presented and analyzed. The electrochemical pH-stat may be used to measure corrosion rates. Limitations of the device are discussed and a modification is proposed which makes use of
a differential amplifier instead of a potentiostat.

Physical Description

29 pages : illustrations.

Notes

Digitized from microopaque cards.

Includes bibliographical references (page 22).

This document is based on work performed for the Office of Saline Water, U.S. Department of the Interior, at the Oak Ridge National Laboratory, Oak Ridge, Tennessee, operated by Union Carbide Corporation for the U.S. Atomic Energy Commission.

Paper to be submitted to the Journal of the Electrochemical Society.

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  • Report No.: CONF-202-4
  • SuDoc Number: Y 3.At 7:22/CONF-202-4
  • Accession or Local Control No: metadc1201745
  • Archival Resource Key: ark:/67531/metadc1201745

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Technical Report Archive and Image Library

The Technical Report Archive & Image Library (TRAIL) identifies, acquires, catalogs, digitizes and provides unrestricted access to U.S. government agency technical reports. The mission of TRAIL is to ensure preservation, discoverability, and persistent open access to government technical publications regardless of form or format.

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Imaged from microcard, these technical reports describe research performed for U.S. government agencies from the 1930s to the 1960s. The reports were provided by the Technical Report Archive and Image Library (TRAIL).

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Creation Date

  • October 1963

Added to The UNT Digital Library

  • Aug. 27, 2019, 3:53 p.m.

Description Last Updated

  • April 1, 2020, 4:06 p.m.

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Posey, F. A. (Franz Adrian), 1930-; Morozumi, T. & Kelly, E. J. An Electrochemical pH-STAT, report, October 1963; Oak Ridge, Tennessee.. (https://digital.library.unt.edu/ark:/67531/metadc1201745/: accessed October 7, 2026), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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