[pure-silver] Re: WashAid Question
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Wed, 3 Dec 2008 15:21:15 -0800
----- Original Message -----
From: "Eugene Barrington" <eandpbarrington@xxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Wednesday, December 03, 2008 2:23 PM
Subject: [pure-silver] Re: WashAid Question
Thanks for that info. I'm using the Kodak product which is
anhydrous (I think). Obviously not much is required for
my modest needs! I'll break out the FB paper and produce
some real prints - but RC is so handy and washes so
quickly! Toning and hypo clearing in the one bath is
another time and water saver.
Eugene B.
This works only for Kodak Rapid Selenium Toner at high
dilutions, i.e., around 1:19. When using less diluted toner
the wash aid and toning should be done in separate steps.
The use of a sulfite wash aid is recommended before
toning with Selenium because there is soem possibility of
the toner depositing some elemental selenium on the surface
of the print if the print is acid. This does not seem to
happen if the print has been washed even without the use of
the wash aid. Since KRST contains quite a bit of ammonium
thiosulfate (rapid fixer) it is quite tollerant of fixer in
the emulsion. Prints or films toned in it will wash out
faster if treated with wash aid _after_ toning.
--
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
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