Re: New Cyanotype - my first unsuccessful attempt

OK, I found it; p. 137...

Next question; why, do you think, or any chemists have a clue, would citric
acid cause fading but not nitric or hydrochloric?
Chris
----- Original Message -----
From: "Scott" <Scott.Wainer@CapitalLighting.com>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Thursday, August 19, 2004 9:45 AM
Subject: Re: New Cyanotype - my first unsuccessful attempt

> Hi Christina -
>
> I don't have a copy of the book with me right now but it is in the last
> section on New Cyanotype. I did put the prints in the dark for about 2
> months but they are still lighter than those that recieved the nitric acid
> treatment. I may have printed them lighter than the others though I
remember
> them being a deep Royal Blue when I framed them.
>
> Regards, Scott
>
> > Scott,
> > Can you give a page number for this in James' book? And, did you
try
> > putting your faded print in the dark for a while? Because i am
wondering
> if
> > the fading is due to citric or the tendency for cyano to fade in
sunlight
> > yet return to original darkness when left out of the sun for a while.
> > Chris
> >
> >
>
>
Received on Thu Aug 19 12:38:08 2004