RE: old vs. new cyanotype

From: Bob Kiss ^lt;>
Date: 06/12/04-06:27:58 AM Z
Message-id: <>

        To find a supplier of Oxalic Acid I went to a large laundry (clothes
washing) service. It appears that they often use it for some cleaning
method and are willing to sell a kilogram at a time to us artists. Perhaps
you can find one near you.

-----Original Message-----
From: Loris Medici []
Sent: Friday, June 11, 2004 5:40 PM
Subject: Re: old vs. new cyanotype

How this practice will affect the contrast? (I can't test if myself -
despite all the search, I couldn't find oxalic acid locally)


----- Original Message -----
From: "Kerik" <>
To: <>
Sent: Saturday, June 12, 2004 12:30 AM
Subject: Re: old vs. new cyanotype

> > Hence, Fabriano Artistico is probably not a suitable paper for the new
> > cyanotype unless you dink around somehow. I tried coating it with
> > acid before printing, and that did not work. One more vote for the
> > traditional.
> F.A. appears to be pretty highly buffered. It takes about a 5 minute soak
> in 1% oxalic acid to make it work well for pt/pd. A simple surface coating
> of OA doesn't do it. So, if you want to make it work for Cyano, an OA soak
Received on Sat Jun 12 07:28:21 2004

This archive was generated by hypermail 2.1.8 : 07/02/04-09:40:14 AM Z CST