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Journal of the Society of Motion Picture Engineers ( Volume: 40, Issue: 2, February 1943)
[ACTIVE]

Copper and Sulfide in Developers

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
The formation of excessive fog by a developer containing copper or sulfide is well known. However, no quantitative method for determining the concentration of either copper or sulfide in a developer appears to have been published. In this paper, polarographic methods of analysis for these substances are given together with photographic determinations of the effect of concentration on fog, thus demonstrating that the analyses are capable of determining the minimum amount of copper or sulfide required to cause fog under the conditions used. The fogging action of a developer which has accumulated sulfide by bacterial action is shown to be the same as that produced by a fresh developer containing the equivalent quantity of sodium sulfide.
Publication Date
1943-02-01
DOI
10.5594/J14277
Link
https://doi.org/10.5594/J14277
Author(s)
R. M. Evans, W. T. Hanson, P. K. Glasoe
Source Data (JSON)

Full registry record with provenance metadata. Open directly: /api/doc/10.5594-J14277.json

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R. M. Evans, W. T. Hanson, and P. K. Glasoe; Copper and Sulfide in Developers, Journal of the Society of Motion Picture Engineers ( Volume: 40, Issue: 2, February 1943); SMPTE, 1943. Available at https://doi.org/10.5594/J14277
Snippet:
R. M. Evans, W. T. Hanson, and P. K. Glasoe; Copper and Sulfide in Developers, Journal of the Society of Motion Picture Engineers ( Volume: 40, Issue: 2, February 1943); SMPTE, 1943. Available at https://doi.org/10.5594/J14277

HTML (ISO 690 compliant)

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R. M. Evans, W. T. Hanson, and P. K. Glasoe; Copper and Sulfide in Developers, Journal of the Society of Motion Picture Engineers ( Volume: 40, Issue: 2, February 1943); SMPTE, 1943. Available at https://doi.org/10.5594/J14277
Snippet:
<span class="citation">R. M. Evans, W. T. Hanson, and P. K. Glasoe; <cite>Copper and Sulfide in Developers</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 40, Issue: 2, February 1943); SMPTE, 1943. Available at <a href="https://doi.org/10.5594/J14277" target="_blank" rel="noopener">https://doi.org/10.5594/J14277</a></span>

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Preview:
R. M. Evans, W. T. Hanson, and P. K. Glasoe; Copper and Sulfide in Developers, Journal of the Society of Motion Picture Engineers ( Volume: 40, Issue: 2, February 1943); SMPTE, 1943
doi: 10.5594/J14277
url: https://doi.org/10.5594/J14277
Snippet:
<li>
R. M. Evans, W. T. Hanson, and P. K. Glasoe; <cite id="bib-10-5594-j14277">Copper and Sulfide in Developers</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 40, Issue: 2, February 1943); SMPTE, 1943
<span class="doi">10.5594/J14277</span>
</li>