From: Clay (wcharmon@wt.net)
Date: 02/13/03-05:47:56 PM Z
I got the stuff from B&S. A small bottle of it lasts a long time when
you use it three drops at a time.
Clay
On Thursday, February 13, 2003, at 05:43 PM, Scott Wainer wrote:
> Hi list,
>
> In past posts, there was the mention of using polyvinyl alcohol to
> keep the
> sensitizer from sinking too deep into the paper fibers before drying. I
> tried City Chemical and they had it listed at three viscosities; each
> 500 gm
> for 19.25. Needing 2 chemicals that are hazmat, they were more than
> happy to
> ship it to me but were going to charge 150.00 shipping on a 125.00
> order; so
> I declined. Contacting Photographer's Formulary to get price and
> availability, I was told they no longer list it. Does anyone know of an
> inexpensive source for it? Which viscosity should I order; low,
> medium, or
> high?
>
> Looking in City Chemical and Photo Formulary's 2000 catalog, I saw they
> listed it as being sold by the gram. I had assumed that it was a
> liquid and
> the dry amount was simply a typo. If it is sold by dry wieght, how is
> it
> prepared?
>
> Any help would be appreciated,
>
> Scott Wainer
> smwbmp@starpower.net
>
>
> P.S.
> I also saw a listing for Tween 20 (polysorbate 20) in City Chemical's
> catalog for 11.75 for 500 ml. The only other place I saw it listed was
> on
> the B&S website as a 10% solution. Is the City Chemical listing a 100%
> solution and how would you dilute it (with water)? Is it worth the
> bother of
> using it with kallitypes, cyanotypes, ect...?
>
>
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