Ion-Exchange Recovery of Eastman Color Developers

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: It is customary to use continuous replenishment in a motion-picture processing machine to maintain a constant chemical composition in each of the processing solutions. This necessitates the mixing of large volumes of replenisher, and the continuous overflow of solution from each machine tank. As the overflow solution is discarded, expensive chemicals are lost. Since developer chemicals constitute a large portion of processing costs, a method of recovering or reusing the developer overflow would result in reduced costs. This paper describes a method of decreasing replenishment costs for Eastman Color Print and Eastman Color Negative developers by recovering overflow developer using an ion-exchange method.
Publication Date: 1956-09-01
DOI: 10.5594/J11289
Link: https://doi.org/10.5594/J11289
Author(s): John H. Priesthoff, John G. Stott

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John H. Priesthoff and John G. Stott; Ion-Exchange Recovery of Eastman Color Developers, Journal of the SMPTE ( Volume: 65, Issue: 9, September 1956); SMPTE, 1956. Available at https://doi.org/10.5594/J11289

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John H. Priesthoff and John G. Stott; Ion-Exchange Recovery of Eastman Color Developers, Journal of the SMPTE ( Volume: 65, Issue: 9, September 1956); SMPTE, 1956. Available at https://doi.org/10.5594/J11289

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<span class="citation">John H. Priesthoff and John G. Stott; <cite>Ion-Exchange Recovery of Eastman Color Developers</cite>, Journal of the SMPTE ( Volume: 65, Issue: 9, September 1956); SMPTE, 1956. Available at <a href="https://doi.org/10.5594/J11289" target="_blank" rel="noopener">https://doi.org/10.5594/J11289</a></span>

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John H. Priesthoff and John G. Stott; Ion-Exchange Recovery of Eastman Color Developers, Journal of the SMPTE ( Volume: 65, Issue: 9, September 1956); SMPTE, 1956
doi: 10.5594/J11289
url: https://doi.org/10.5594/J11289

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<li>
John H. Priesthoff and John G. Stott; <cite id="bib-10-5594-j11289">Ion-Exchange Recovery of Eastman Color Developers</cite>, Journal of the SMPTE ( Volume: 65, Issue: 9, September 1956); SMPTE, 1956
<span class="doi">10.5594/J11289</span>
</li>