Archived posting to the Leica Users Group, 1999/04/02

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Subject: Re: [Leica] Preserving prints and transparancies
From: "Henning J. Wulff" <henningw@archiphoto.com>
Date: Fri, 2 Apr 1999 21:58:09 -0800
 
>
>>> >Some toners, like selenium, can contribute to longevity of prints. I
>>> >believe sepia does not.
>
>I heard that Selenium toning involves handling a toxic chemical.  How
>serious is this threat to human health?
>
>Dan K.

Photoforum had a discussion on this a while ago. You might be able to
search it. The threat to health is quite serious. It can be handled safely,
but only with rigorous safety procedures.

   *            Henning J. Wulff
  /|\      Wulff Photography & Design
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