[pure-silver] R: Re: Fixer Stain Removal
- From: "Antonio Banfi" <antoniomarioenrico.banfi@xxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Wed, 11 Nov 2009 00:55:08 +0100
Dont forget it?s risky stuff, causing cancer (pot. Dichromate)
Regards
-------------------------------------------------------------
Antonio Banfi e-mail: antonio.banfi@xxxxxxxx
Dipartimento di Diritto Privato e Storia del Diritto
Sezione di Diritto Romano
Università degli Studi di Milano
Via Festa del Perdono 7 20121 MILANO
tel.: (+39) 02 50312610
fax: (+39) 02 50312507
mobile: (+39) 347 6871340
http://www.dpsd.unimi.it/
-------------------------------------------------------------
Da: pure-silver-bounce@xxxxxxxxxxxxx
[mailto:pure-silver-bounce@xxxxxxxxxxxxx] Per conto di Eric Nelson
Inviato: mercoledì 11 novembre 2009 0.09
A: pure-silver@xxxxxxxxxxxxx
Oggetto: [pure-silver] Re: Fixer Stain Removal
I forgot to mention this formula is also good for plastic reels.
I use Jobo 1500 series (white plastic) reels and after a while, the mixed
bag of developers I use starts to leave a residue that may or may not impair
loading, but it at least feels better that they have no residue visible on
them! I load as many reels as I can into as many drum extensions that will
fit onto my machine and let it run for a couple minutes. Although "chemical
resistant" it probably doesn't hurt having the stain remover poured through
the lift as well.
_____
From: Richard Knoppow <dickburk@xxxxxxxxxxxxx>
To: pure-silver@xxxxxxxxxxxxx
Sent: Mon, November 9, 2009 10:10:34 PM
Subject: [pure-silver] Re: Fixer Stain Removal
----- Original Message ----- From: "Ralph W. Lambrecht"
<info@xxxxxxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Monday, November 09, 2009 2:10 PM
Subject: [pure-silver] Re: Fixer Stain Removal
> Richard
>
> Do you happen to have a formula for TC-1?
>
Very complicated
Kodak TC-1
Water 1.0 liter
Potassium bichromate 90.0 grams
Sulfuric acid, concentrated 90.0 ml
There are a number of variations of this which demonstrate mainly that
the amounts are not at all critical.
The usual Kodak warning holds, add acid to water never the other way.
I found out that the stuff is reusable even when it looks quite ugly.
Sodium sulfite solution, or Kodak Hypo Clearing Agent will remove yellow
stains if any are left.
--
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
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