RE: cyano recipe

From: trevor cunningham ^lt;[email protected]>
Date: 05/03/05-11:53:51 PM Z
Message-id: <20050504055352.40880.qmail@web30304.mail.mud.yahoo.com>

as well, the chemistry guru here at school also thought an al process would be a fantastic opportunity or an IB extended essay (teacher talk) with a cross curricular approach... they eat that stuff up at the IBO apparently...

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://www.geocities.com/tr_cunningham

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Received on Tue May 3 23:54:04 2005

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