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Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 7, July 1942)
[ACTIVE]

The Application of Potentiometric Methods to Developer Analysis

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPE
Volume
39, No. 7, pp. 37–54
Abstract
Potentiometric titration methods are applied to routine developer analyses in order to simplify and speed up the operation and to minimize the human error arising from judgment of color change end points, etc. A brief theoretical treatment of potentiometric titrations is included, and new tests for elon, hydroquinone, and carbonate are outlined. Previously published methods for bromide and sulfite are also included. Detailed procedure outlines are included along with a discussion of the problem of pH vs. the alkali content of a developer. A glossary showing stepwise procedure operations required to accomplish the analyses has been compiled along with a complete equipment and chemical reagent list. The precision of the methods is evaluated by a table showing analysis data on carefully mixed known developers.
Publication Date
1942-07-01
DOI
10.5594/J09879
ISSN
Print: 0097-5834
Link
https://doi.org/10.5594/J09879
Author(s)
John G. StottEastman Kodak Company, New York, N. Y.
Copyright
© 1942 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 1 Evans R. M. Hanson W. T. Jr. Glasoe P. K. : “Synthetic Aged Developers by Analysis,” J. Soc. Mot. Pict. Eng. , XXXVIII (Feb., 1942 ), pp. 188 – 206 . EXTERNAL
  • 2 Atkinson R. B. Shaner V. C. : “Chemical Analysis of Photographic Developers and Fixing Baths,” J. Soc. Mot. Pict. Eng. , XXXIV (May, 1940 ), pp. 495 – 496 . EXTERNAL
  • 3 Kolthoff I. M. Sandell E. B. : “Textbook of Quantitative Inorganic Analysis,” The Macmillan Company , New York, N. Y. ( 1936 ), pp. 461 – 468 , 478 – 486 . EXTERNAL
  • 4 Pinnow J. : Zeitschrift wiss. Phot. ( 1912 ), p. 289 . EXTERNAL
  • 5 Lehmann E. Tausch E. : Phot. Korr. , 71 (Feb., 1935 ), p. 71; 71 (March, 1935), p. 35. EXTERNAL
  • 6 Evans R. M. Hanson W. T. Jr. : “Chemical Analysis of MQ Developers,” J. Soc. Mot. Pict. Eng. , XXXII (Mar., 1939 ), pp. 307 – 320 . EXTERNAL
  • 7 Cameron A. E. : “The Potentials of Platinum Electrodes in Photographic Developers,” J. Phys. Chem. , 42 , (April, 1938 ), p. 521 . EXTERNAL
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John G. Stott; The Application of Potentiometric Methods to Developer Analysis, Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 7, July 1942); SMPTE, 1942. Available at https://doi.org/10.5594/J09879
Snippet:
John G. Stott; The Application of Potentiometric Methods to Developer Analysis, Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 7, July 1942); SMPTE, 1942. Available at https://doi.org/10.5594/J09879

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John G. Stott; The Application of Potentiometric Methods to Developer Analysis, Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 7, July 1942); SMPTE, 1942. Available at https://doi.org/10.5594/J09879
Snippet:
<span class="citation">John G. Stott; <cite>The Application of Potentiometric Methods to Developer Analysis</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 7, July 1942); SMPTE, 1942. Available at <a href="https://doi.org/10.5594/J09879" target="_blank" rel="noopener">https://doi.org/10.5594/J09879</a></span>

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Preview:
John G. Stott; The Application of Potentiometric Methods to Developer Analysis, Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 7, July 1942); SMPTE, 1942
doi: 10.5594/J09879
url: https://doi.org/10.5594/J09879
Snippet:
<li>
John G. Stott; <cite id="bib-10-5594-j09879">The Application of Potentiometric Methods to Developer Analysis</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 39, Issue: 7, July 1942); SMPTE, 1942
<span class="doi">10.5594/J09879</span>
</li>

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