From: Chunin Martinez (chunin@cimphoto.com)
Date: 09/09/02-04:19:45 PM Z
----- Original Message -----
From: "Eric Nelson" <emanmb@yahoo.com>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Monday, September 09, 2002 5:14 PM
Subject: Re: acids
To store acid you must use a glass container. It must be glass and the
"cap" must be "glass" too. They use sort of a glass cork type of cap. It
goes tight and sits there. Never use metal or plastic or any other material
for the container or cap. It will last for ever.
Chunin Martinez
> If the formula call for nitric or sulfuric then it
> needs it as acetic won't replace it, as in titration
> analysis of one's silvering solution for abulmen/salt
> prints. Nitric is called for and is the only way to
> do that.
> Can't give you the scientific reasons why...it just
> does! =)
> If you gotta have it, buy as little as possible. I
> got reagent grade nitric long ago and so rarely used
> it that the fumes ate away the cap and I had to decant
> it into another acid container.
> Also, NEVER add water to one of these acids, ONLY add
> the acid to water. It can really splatter if you add
> water to the acid.
> Eric
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