Re: cyano recipe

thanks Trevor--
the idea was to mix the chemicals the morning of before i head out. I
hadn't thought about precoating, but i will do that. also, i might
pre-expose a print under the uv unit at home, and wash it out there.
(not sure how the weather will behave that day, and what exposures we'll
be able to get)

again it's time that's restricting things--i'll be teaching the teacher,
too, so hopefully she'll be able to pursue some of the stuff in more detail.

ciao,
k

trevor cunningham wrote:
> Getting chemicals for cyanos and gums was interesting here in Cairo. I
> used the chemistry department guru to get some of them, and a polymer
> chemist friend to get the others (both came back with messages from
> their suppliers wondering why in the hell i needed such wierd
> chemicals)...I agree with Eric on this, have the raw chemicals, have a
> batch mixed to coat paper with, and have some paper already dried to do
> a presentation in the beginning of the period, then let them go with the
> goods...kind of like the Graham Kerr Show, since we're talking kitchen
> recipes and all
>
> */Eric Neilsen <e.neilsen@worldnet.att.net>/* wrote:
>
> Kris, I can understand the lack of equipment available to HS
> students, but
> why not show them the way to do it and then just have some already
> mixed.
> What will they get from a less accurate presentation? Does the
> school not
> have a science department? A bit of devil's advocate here but I don't
> understand justifying a looser approach to an experience because it
> just HS
> students.
>
> Eric Neilsen Photography
> 4101 Commerce Street
> Suite 9
> Dallas, TX 75226
> http://e.neilsen.home.att.net
> http://ericneilsenphotography.com
>
> > -----Original Message-----
> > From: kris [mailto:kris@eq-photo.com]
> > Sent: Tuesday, May 03, 2005 7:15 PM
> > To: alt-photo-process-l@sask.usask.ca
> > Subject: cyano recipe
> >
> > hey all--
> > anyone have a basic cyanotype recipe that uses baking-type measures
> > rather than weights?! (I.e. 2 tbsp. pot cyanide + 4 cups water;
> 1/2 cup
> > ferric ammonium citrate + 4 cups water)
> >
> > trying to help out some high school kids...
> >
> > many thanks
> > k
>
>
>
> "The optimist believes this is the best of all possible worlds.
> The pessimist fears it's true" - J Robert Oppenheimer
> <http://geocities.com/tr_cunningham>
> http://www.geocities.com/tr_cunningham <http://geocities.com/tr_cunningham>
>
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Received on Wed May 4 07:09:37 2005