dkern@juno.com
Sun, 31 Jan 1999 08:56:40 -0600
Jeffrey,
Thank you very much for your reply--it was extremely helpful. For
something that seemed so straightforward at the beginning, it has become
a process with a multitude of possibilities. I look forward to utlilizing
the tips I've been receiving.
David Kern
>I confirm the answers from Eric Neilsen.
>
>I would add the not only can the K clorate solution be kept separate,
>it
>SHOULD be kept separate from coating solutions. Any oxidizing agent
>(or
>contrast agent for this process) should be stored separate from stock
>and working coating solutions and should be only added when mixing the
>coating "soup". Add one drop of a 0.25% to 2.0% solution for an 8x10.
>
>Problems could arise which would degrade the solutions it is added to.
>
>I use potassium dichromate, and have used it in the coating "soup",
>and
>developers (both potassium oxalate and ammonium citrate). It works
>with
>ammonium citrate similar to potassium oxalate. There are some
>noticible
>differences whether it is used in the "soup" or the developer; not as
>to
>contrast control (that's about the same) but in varrious qualities of
>the image. Try varrious images (and subject matter) both ways and
>compare. When adding to the "soup" try Adding one drop of a 0.1% to
>1.0% solution for an 8x10.
>
>--
>Jeffrey D. Mathias
>http://home.att.net/~jeffrey.d.mathias/
>
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