Re: Cyanotype

On Feb 17, 2006, at 7:56 PM, Susan Huber wrote:

> Hi David,
> I recently mixed a batch of cyanotype of the green type ( I used the
> brown
> type 20 years ago and last year used the 'new'Ware solution which was
> difficult to mix. The green brushes on greener than the brown and the
> War'es
> soluttions did... I mixed the classic ala C. Jamesas per his book
> which has
> a lot more Fe.Ammonic and Ferricyanide solution than the 'old' one of
> the W.
> Crawford's formula. The prints were very bleached even after 30 minutes
> under the UV printer. I used the sun last year and did better with the
> Ware
> solution. 20 years ago I was on city water- I am on my hard water (well
> water) and wonder why nothing looks good?
> I can't afford to waste materials as I have to get them form the
> States. (I
> live in Canada).
> Do you have an idea what is wrong- I do dev. the negatives in Pyro-
> and 20
> years ago- I didn't...
> Thanks, Susan
> www.susanhuber.com

Susan,

Stain from pyro make the negatives "bullet-proof". Your problem may not
be chemistry or the water.

I would suggest using a step-tablet instead of a negative and see what
the result looks like.

Sam
Received on Fri Feb 17 20:17:40 2006