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

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Subject: Re: [Leica] Preserving prints and transparancies
From: "Gareth Jolly" <garethjolly@bigpond.com>
Date: Sat, 3 Apr 1999 17:49:56 +1000
 
I understand selenium is carcinogenic.

Not only can it be absorbed through the skin, but the fumes also inhaled.

I'd recommend good ventilation as well as gloves.

Gareth

- -----Original Message-----
From: D Khong <dkhong@pacific.net.sg>
To: leica-users@mejac.palo-alto.ca.us <leica-users@mejac.palo-alto.ca.us>
Date: Saturday, April 03, 1999 2:54
Subject: Re: [Leica] Preserving prints and transparancies


> 
>>> >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.