RE: Toning the Cyantoype

BTW, what is your toning time? I tone not more than 5 minutes..
 
Regards,
Loris.

-----Original Message-----
From: Loris Medici [mailto:mail@loris.medici.name]
Sent: 20 Nisan 2006 Perşembe 15:51
To: alt-photo-process-l@usask.ca
Subject: RE: Toning the Cyantoype

Maybe you're using too much tannic acid (I use one full dessert spoon
per litre... or the paper is not adequate; some papers stain more than
others). Do you clear your cyanotypes in citric acid after development
(and wash again)? IME, if I treat cyanotypes in citric acid after the
first wash (read as development) I get a much more contrasty image
(cleaner, white highlights - otherwise, the highlights are low contrast
and I can't get paper white) and much less staining (if any... in my
case it's not noticable *unless compared side-by-side with non-treated
paper*).
 
Regards,
Loris.

-----Original Message-----
From: David & Jan Harris [mailto:david.j.harris2@ntlworld.com]
Sent: 20 Nisan 2006 Perşembe 15:38
To: alt-photo-process-l@usask.ca
Subject: Re: Toning the Cyantoype

I find that even tannic acid stains the paper significantly, in fact
there doesn't seem to be much difference in staining between tannic acid
and green tea. The colour is a little different though (tannic acid is
pinker which I find more pleasant).
 
Dave
Received on Thu Apr 20 06:53:09 2006