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  1. #41
    Canuck's Avatar
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    Thanks Donald for your experiences with the aceto/rodinal. I will try this the first chance I get. So, just to make sure I understand, after the reaction has taken place after the appropiate period, I don't have to decant or filter anything for use? I just dilute and develop?

    Elvis

  2. #42

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    Quote Originally Posted by Donald Qualls
    I used the following:

    250 ml 20% sodium sulfite solution
    30 tablets @ 500 mg acetaminophen
    20 g Red Devil Lye
    ...
    BTW, if you use distilled water at $1/gallon to make up the solution, it ought to cost you around 55 cents for 250 ml, but it'll cost about $17 to get started -- $5/lb for sulfite, $5/lb for lye, and $7 for 1000 acetaminophen tablets at Costco.
    So are the above ingredients to make 250ml of (concentrated) developer, or some other amount?

  3. #43
    Donald Qualls's Avatar
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    Quote Originally Posted by srs5694
    So are the above ingredients to make 250ml of (concentrated) developer, or some other amount?
    No added water beyond the starting amount -- it's probably a few ml over 250 when you're done, but that's the concentrate. I usually dilute 1:50, but it works at 1:25 and 1:100 as well, same times as Rodinal.
    Photography has always fascinated me -- as a child, simply for the magic of capturing an image onto glossy paper with a little box, but as an adult because of the unique juxtaposition of science and art -- the physics of optics, the mechanics of the camera, the chemistry of film and developer, alongside the art in seeing, composing, exposing, processing and printing.

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