[pure-silver] Re: residual hypo-check
- From: Richard Knoppow <dickburk@xxxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Mon, 6 Apr 2009 05:32:50 -0700 (GMT-07:00)
-----Original Message-----
>From: Elias Roustom <elroustom@xxxxxxxxx>
>Sent: Apr 6, 2009 5:09 AM
>To: pure-silver@xxxxxxxxxxxxx
>Subject: [pure-silver] residual hypo-check
>
>I had some Selenium 1+3 bottled and handy last night. I thought I'd
>test how my washing procedure is going, so I dabbed a little on the
>corner of a print I made last week. No color appeared in over an
>hour, but by morning the spot was a pale orange, strongest on the
>edge of the paper where it had pooled. I know 1+9 is the recommended
>dilution for the test, but I forget (and I don't know how to search
>the archives) what this test result means? Are my prints fine for not
>showing any coloration in a short period of time, or is any color
>over any period of time an indication of poor washing?
>
>Thanks,
>
>Elias
You are seeing stains caused by the toner itself not by residual silver.
The toner tones silver halide as well as metallic silver and will generate a
stain within about a minute if there is any unfixed silver in the emulsion.
--
Richard Knoppow
dickburk@xxxxxxxxxxxxx
Los Angeles, CA, USA
=============================================================================================================
To unsubscribe from this list, go to www.freelists.org and logon to your
account (the same e-mail address and password you set-up when you subscribed,)
and unsubscribe from there.
Other related posts:
