Archived posting to the Leica Users Group, 1999/04/03

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Subject: Re: [Leica] Preserving prints and transparancies
From: D Khong <dkhong@pacific.net.sg>
Date: Sat, 03 Apr 1999 12:40:52 +0000
 
 
>> >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.