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Journal of the SMPTE ( Volume: 78, Issue: 4, April 1969)
[ACTIVE]

A Study of Methods for Reducing the Final Wash Time of the Eastman Color Print Process

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPTE
Volume
78, No. 4, pp. 269–273
Abstract
Three methods of reducing the final wash requirement in the Eastman Color Print process are reviewed: (1) higher final wash temperatures; (2) hypo clearing baths; and (3) oxidation of thiosulfate to sulfate. A sulfite clearing bath at pH 5.8 followed by a short final wash is a practical and effective technique of hypo removal. Normal dye stability can be expected as long as proper film emulsion pH (range 5.0 to 6.0) and residual hypo (less than 4/μg/cm2) levels are maintained.
Publication Date
1969-04-01
DOI
10.5594/J17892
ISSN
Print: 0361-4573
Link
https://doi.org/10.5594/J17892
Author(s)
J. R. Zeman
J. D. Clifford
Copyright
© 1969 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • Application of Two Analytical Test Methods to Predict Processed Image Stability [Active]
  • Some Considerations of Eastman Color Print Film Dye Stability [Active]
  • 1. West L. E. , “Water conservation in photographic processing,” Phot. Sci. Eng. (in press). EXTERNAL
  • 10. Crabtree J. I. Eaton G. T. Muehler L. E. , “The elimination of hypo from photographic images,” JPSA , 6 : No. 4 , 6 – 14 , Oct. 1940 . EXTERNAL
  • 11. Kenchington A. W. Ward A. G. , Biochem J. , 58 : 202 ( 1954 ). EXTERNAL
  • 12. Production of Motion Pictures in Color Using Eastman Color Films, (Manual) , Motion Picture and Education Markets Div., Eastman Kodak Co. , Rochester, NY 14650. EXTERNAL
  • 2. Hubbell D. C. McKinney R. G. West L. E. , “Methods for testing image stability of color photographic products,” Phot. Sci. Eng. , 11 : 295 – 305 , Sept.-Oct. 1967 . EXTERNAL
  • 4. Warburton C. D. Przybylowicz E. P. , “A new test method for the measurement of residual thiosulfate in processed film based on borohydride reduction to sulfide and methylene blue formation,” Phot. Sci. Eng. , 10 : 86 – 92 , Mar.-Apr. 1966 . EXTERNAL
  • 6. Determination of the pH of Processed Photographic Emulsions, Method No. 806, Production of Motion Pictures in Color Using Eastman Color Films , (Manual), 1963 , Eastman Kodak Co. , Rochester, NY 14650. EXTERNAL
  • 7. Henn R. W. King N. H. Crabtree J. I. , “The effect of salt baths on hypo and silver elimination,” Phot. Eng. , 7 : 153 – 164 , Nos. 3 and 4, 1956 . EXTERNAL
  • 8. Walker J. F. , Formaldehyde , Reinhold Publishing Co. , New York , 1964 , pp. 251 – 2 , 486 – 8 . EXTERNAL
  • 9. Hart F. W. , “Early history of hypo eliminators,” Br. J. Phot. , 35 : 151 , 1888 . EXTERNAL
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J. R. Zeman and J. D. Clifford; A Study of Methods for Reducing the Final Wash Time of the Eastman Color Print Process, Journal of the SMPTE ( Volume: 78, Issue: 4, April 1969); SMPTE, 1969. Available at https://doi.org/10.5594/J17892
Snippet:
J. R. Zeman and J. D. Clifford; A Study of Methods for Reducing the Final Wash Time of the Eastman Color Print Process, Journal of the SMPTE ( Volume: 78, Issue: 4, April 1969); SMPTE, 1969. Available at https://doi.org/10.5594/J17892

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J. R. Zeman and J. D. Clifford; A Study of Methods for Reducing the Final Wash Time of the Eastman Color Print Process, Journal of the SMPTE ( Volume: 78, Issue: 4, April 1969); SMPTE, 1969. Available at https://doi.org/10.5594/J17892
Snippet:
<span class="citation">J. R. Zeman and J. D. Clifford; <cite>A Study of Methods for Reducing the Final Wash Time of the Eastman Color Print Process</cite>, Journal of the SMPTE ( Volume: 78, Issue: 4, April 1969); SMPTE, 1969. Available at <a href="https://doi.org/10.5594/J17892" target="_blank" rel="noopener">https://doi.org/10.5594/J17892</a></span>

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Preview:
J. R. Zeman and J. D. Clifford; A Study of Methods for Reducing the Final Wash Time of the Eastman Color Print Process, Journal of the SMPTE ( Volume: 78, Issue: 4, April 1969); SMPTE, 1969
doi: 10.5594/J17892
url: https://doi.org/10.5594/J17892
Snippet:
<li>
J. R. Zeman and J. D. Clifford; <cite id="bib-10-5594-j17892">A Study of Methods for Reducing the Final Wash Time of the Eastman Color Print Process</cite>, Journal of the SMPTE ( Volume: 78, Issue: 4, April 1969); SMPTE, 1969
<span class="doi">10.5594/J17892</span>
</li>

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