Re: Salt prints??

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From: Joe Portale (jportale@gci-net.com)
Date: 02/21/01-07:41:43 PM Z

Sil,

OOOPS! Yes, I meant ammonium chloride. The corrrection should read, sodium
citrate and ammonium chloride, keep these in equal proportions.

Thanks for keeping me honest.
----- Original Message -----
From: "Sil Horwitz" <silh@earthlink.net>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Wednesday, February 21, 2001 11:04 AM
Subject: Re: Salt prints??

> At 2001/02/21 07:06 AM -0700, Joe Portale wrote: (just a small portion)
>
> > > Second, is sodium chloride okay for salting (as said in "spirits of
> > salts")?
> >
> >Yes, plain sodium chloride is appropriate. Most of the more "modern"
> >formulas use sodium citrate and aluminum chlroide. If you decide to use
the
> >citrate/chloride route, keep them in the same proportions.
>
> Do you mean "ammonium chloride"? That's what I use. Mixing the citrate and
> aluminum chloride would precipitate Aluminum citrate, which is not very
> soluble.
>
> Just one other point: in my work, the use of a simple gold toner is
> critical, as otherwise the image is not archival.
>
>
> Sil Horwitz, FPSA
> Technical Editor, PSA Journal
> teched@psa-photo.org
> silh@earthlink.net
> Visit http://www.psa-photo.org/
> Personal page: http://home.earthlink.net/~silh/

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