Journal of the Society of Motion Picture Engineers ( Volume: 53, Issue: 3, September 1949)

[ACTIVE]

Simultaneous Determination of Elon and Hydroquinone in Photographic Developers

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPE
Volume: 53, No. 3, pp. 268–284
Abstract: A sample of the developer solution is diluted with a pH 5 acetate buffer and its absorbancy† measured at two wavelengths in the ultraviolet region. The concentration of Elon‡ and hydroquinone in a fresh unused developer solution can be determined directly from these two absorbancies. Used or old developer solutions are analyzed by extracting the unoxidized Elon and hydroquinone with ethyl acetate. Absorbancy measurements made on the system before and after extraction serve to determine the amount of Elon and hydroquinone present.
Publication Date: 1949-09-01
DOI: 10.5594/J17794
ISSN: Print: 0097-5834
Link: https://doi.org/10.5594/J17794
Author(s): Herbert L. ReesColor Control Department, Eastman Kodak Company, Rochester, New York
Don H. AndersonColor Control Department, Eastman Kodak Company, Rochester, New York
Copyright: © 1949 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

The Application of Potentiometric Methods to Developer Analysis [Active]
Synthetic Aged Developers by Analysis [Active]
Chemical Analysis of Photographic Developers and Fixing Baths [Active]
The Chemical Analysis of Hydroquinone, Metol, and Bromide in a Photographic Developer [Active]
Chemical Analysis of an Mq Developer [Active]
An Improved Method for the Determination of Hydroquinone and Metol in Photographic Developers [Active]
Application of Methyl Ethyl Ketone to the Analysis of Developers for Elon and Hydroquinone [Active]
(1) Lehmann E. Tausch E. , “Zum Chemismus der Metol-Hydrochinonentwicklung,” Phot. Korr , vol. 71 , pp. 17 – 23 ; February, 1935 . EXTERNAL
(10) Levenson G. I. P. , “Determination of Elon and hydroquinone in a developer, An examination of Stott's method,” Phot. J. , vol. 87B , pp. 18 – 24 ; January-February, 1947 . EXTERNAL
(11) National Bureau of Standards, Department of Commerce , “Terminology and Symbols for Use in Ultraviolet, Visible, and Infrared Absorptometry,” Letter Circular LC 857, Washington, D. C. , Government Printing Office , May 19, 1947 . EXTERNAL
(12) Mees C. E. K. , “The Theory of the Photographic Process,” pp. 374 – 398 ; The Macmillan Company , New York, New York , 1945 . EXTERNAL
(13) Youden W. J. , “Technique for testing the accuracy of analytical data,” Ind. Eng. Chem., Anal. Ed. , vol. 19 , pp. 946 – 950 ; December, 1947 . EXTERNAL
(9) Lovenson G. I. P. , “Controlling the Elon-hydroquinone developer,” British Kinematography , vol. 12 , pp. 37 – 49 ; February, 1948 . EXTERNAL

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Herbert L. Rees and Don H. Anderson; Simultaneous Determination of Elon and Hydroquinone in Photographic Developers, Journal of the Society of Motion Picture Engineers ( Volume: 53, Issue: 3, September 1949); SMPTE, 1949. Available at https://doi.org/10.5594/J17794

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Herbert L. Rees and Don H. Anderson; Simultaneous Determination of Elon and Hydroquinone in Photographic Developers, Journal of the Society of Motion Picture Engineers ( Volume: 53, Issue: 3, September 1949); SMPTE, 1949. Available at https://doi.org/10.5594/J17794

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<span class="citation">Herbert L. Rees and Don H. Anderson; <cite>Simultaneous Determination of Elon and Hydroquinone in Photographic Developers</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 53, Issue: 3, September 1949); SMPTE, 1949. Available at <a href="https://doi.org/10.5594/J17794" target="_blank" rel="noopener">https://doi.org/10.5594/J17794</a></span>

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<li>
Herbert L. Rees and Don H. Anderson; <cite id="bib-10-5594-j17794">Simultaneous Determination of Elon and Hydroquinone in Photographic Developers</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 53, Issue: 3, September 1949); SMPTE, 1949
<span class="doi">10.5594/J17794</span>
</li>