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From: jer@peora.UUCP (J. Eric Roskos)
Newsgroups: net.rec.photo
Subject: Re: Photo Chemicals
Message-ID: <1580@peora.UUCP>
Date: Thu, 5-Sep-85 09:05:32 EDT
Article-I.D.: peora.1580
Posted: Thu Sep  5 09:05:32 1985
Date-Received: Fri, 6-Sep-85 05:18:50 EDT
References: <1457@cbosgd.UUCP> <1241@teddy.UUCP>
Organization: Perkin-Elmer SDC, Orlando, Fl.
Lines: 31
Keywords: Developer

Alas, I feel I must grumble about this a little.

> Secondly, dividing the chemicals up the way you did is inviting problems.
> There is no assurance that the various powders are uniformly dispersed
> through the mixture.

Sure there is.  You can either pick up the container and shake it awhile,
or stir it with a stirring rod.  Shaking it works better since if you don't
stir right you can make the heavy parts just settle out, instead, whereas
shaking tends to be somewhat more random.

As for what to store it in, whatever happened to brown chemical bottles?
The kind people keep ordinary laboratory chemicals, even hygroscopic ones,
in?  If you want to be safe, you can put in a little packet of silica gel,
and it will stay fairly dry, if you don't leave the lid off long; the main
way water gets into the chemicals is from leaving the bottle open, not from
the small air space in the bottle.

I generally buy large packages and divide them, storing the extra in brown
bottles.  You can get them from your pharmacy, if it's a friendly
pharmacy.  (Actually I also buy the very large boxes of color chemicals,
too.  It holds up very well, though I use it fairly rapidly.  The chemical
that is least stable (the complex organic one) comes in a conveniently
small, brown, glass bottle which seems to keep it very well.)
-- 
Shyy-Anzr:  J. Eric Roskos
UUCP:       ..!{decvax,ucbvax,ihnp4}!vax135!petsd!peora!jer
US Mail:    MS 795; Perkin-Elmer SDC;
	    2486 Sand Lake Road, Orlando, FL 32809-7642

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