[pure-silver] Re: Iron Toners
- From: Eric Nelson <emanmb@xxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Sun, 15 Apr 2007 15:38:05 -0700 (PDT)
I haven't tested th pH of my water in a long time but
assume it's not too different from any other city
water, and had little diminishing of the blue
intensity the other day.
There was "bleeding" of the toner into the borders
that did not come off. I seem to remember that sodium
carbonate would remove any traces of blue...or maybe
that was uranium toner. May have to try that.
In any case, in the past I have used a few drops into
a wash tray with siphon of glacial acetic and had no
problems. The toner I tried this time was the formula
with tataric acid instead of acetic just to see what
it did compared to previous versions I've used in the
past w/acetic acid. I did not acidify the wash.
Eric
--- Richard Knoppow <dickburk@xxxxxxxxxxxxx> wrote:
>
> ----- Original Message -----
> From: "Bogdan Karasek" <bkarasek@xxxxxxxxxxxx>
> To: <pure-silver@xxxxxxxxxxxxx>
> Sent: Sunday, April 15, 2007 10:30 AM
> Subject: [pure-silver] Re: Iron Toners
>
>
> > Hi,
> >
> > Mention has been made that, for washing, the water
> should
> > be "acidified" or rendered more alkaline. What
> are
> > suitable substances that can be used. Could I use
> Baking
> > soda to render the water more alkaline......? or
> "acidify"
> > by adding vinegar or do I have to use Acetic Acid
> 28%.
> > Are there household chemicals that can be used?
> >
> > Also, persons say that the water should be
> acidified or
> > rendered more alkaline, but by how much? No
> specific
> > measurements are given. Hard to know how to
> proceed if
> > you've never done it before. Would it be
> possible, in the
> > future, to be more precise than just stating that
> water
> > should be acidified or what ever????? These are
> > non-quantifiable statements and not very useful to
> me. My
> > highschool Chemistry teacher would have failed me
> if I had
> > handed in a lab report saying that I added "a bit
> more
> > acid" to the solution. He would have wanted a
> precise
> > measurable quantity. Would it be possible to ask
> for the
> > same here, please!
> >
> > Cheers,
> > Bogdan
>
> The old books suggest a "few drops" of Acetic
> acid in
> the wash water. I think you have to wash by
> successive baths
> rather than running water to do this. For alkaline
> water
> Borax is suggested, again in a small amount. The
> slightly
> alkaline wash is suggested for clearing stained
> highlights.
> I am now trying to remember what treatment is
> suggested
> for regenerating faded prints. Its either long
> storage in
> the dark or possibly wetting the print.
>
> ---
> Richard Knoppow
> Los Angeles, CA, USA
> dickburk@xxxxxxxxxxxxx
>
>
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