Re: Schramm chrysotype


Liam Lawless (lawless@vignette.freeserve.co.uk)
Sun, 21 Feb 1999 23:35:28 +0000


Hi,

Image colour has changed slightly now that print is thoroughly dry, but
still classier than straight cyanotype. Prussian blue definitely
contributes more to the image than gold - nothing remains after bleaching in
an alkali. Much more cyanotype than chrysotype, therefore. Raises the
question whether major role of gold in sensitiser might be to alter
configuration of ferriferrocyanide deposit, rather than being deposited.
And would something cheaper do the same job?

However, developing in gold is also worth trying - the result is somewhat
bromoilish (on Arches Aquarelle NOT).

The iron solution I used consists of 27g ferric amm. citrate + 1ml 2% thymol
in water to 150ml (thymol, dissolved in isopropyl, to prevent fungus on
keeping), and the ferri developer 12g pot. ferricyanide in water to 150ml.

Draw your own line if you try it - I won't interfere.

Liam

-----Original Message-----
From: jewelia <jewelia@erols.com>
To: alt-photo-process-l@sask.usask.ca <alt-photo-process-l@sask.usask.ca>
Date: 21 February 1999 06:08
Subject: Re: Schramm chrysotype

>would you call the iron-gold sensitizer developed out in K-ferricyanide a
>blue chrysotype or a gold-toned cyanotype? where would you draw the line?
>
>



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