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  1. #1
    DrPablo's Avatar
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    Aug 2006
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    Staining developers and cyanotype

    Do negs developed in PMK work reasonably well for UV processes? A couple PMK-stained negatives have required exceptionally long UV exposures and still been underexposed.
    Paul

  2. #2
    Andrew O'Neill's Avatar
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    Jan 2004
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    Coquitlam, BC, Canada
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    I had nothing but trouble with negs developed in pyrocat-HD for the kallitype process. It wasn't until I set my EI at 400 (from 250) and developed less (from 10:30 down to 6:30) that I started getting better results. My exposure times are anywhere from 2 minutes to 5. Before much longer. My xtol negs work with no problems. I have decided to use xtol for the alternative process negatives.



 

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