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Revised RA Color Developer Recipe


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For those of you who are interested in color printing and comfortable mixing chemistry from scratch, I

have posted a new version of my 3-Part recipe at <a href="http://www.people.fas.harvard.edu/~keirst/

technical.html">http://www.people.fas.harvard.edu/~keirst/technical.html</a> . I discovered my

previous version had lower than optimum pH (9.6), and by adding extra sodium carbonate, I could get

similar print results with less CD-3. The pH of the new version is 10.3 when mixed with deionized water, a

tiny bit higher pH than Kodak RA developer.

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