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Digital BW, The Print

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RE: [Digital BW] ferrocyanide/ Moonrise

2006-06-04 by Eric Neilsen

What about all those Sepia Toned prints? Sorry but I think that to be
incorrect or not 100% accurate. Thiourea is without environmental concerns
either.  

Eric Neilsen Photography
4101 Commerce Street
Suite 9
Dallas, TX 75226
http://e.neilsen.home.att.net
http://ericneilsenphotography.com
 

> -----Original Message-----
> From: DigitalBlackandWhiteThePrint@yahoogroups.com
> [mailto:DigitalBlackandWhiteThePrint@yahoogroups.com] On Behalf Of djon43
> Sent: Sunday, June 04, 2006 8:15 AM
> To: DigitalBlackandWhiteThePrint@yahoogroups.com
> Subject: [Digital BW] ferrocyanide/ Moonrise
> 
> Ferrocyanide was a commonly used by press photographers in the thirties.
> 
> All prints that been exposed to ferrocyanide are eventually destroyed
> by it, no matter how much "archival" washing. Of course, if you try
> the recommended hours-long washing you're a villain, into wasting water.
> 
> Since it's terribly poisonous and there's no way to neutralize it on a
> print or in the sewer, one must ignore both permanence and the
> environment to use it.
> 
> In post-printing it can produce brilliant, localized whites in a print
> that's otherwise dark and moody. But Photoshop is a more honorable tool.
> 
> 
> 
> >
> > If anyone has ever tried this technique, it is quite marvellous, but
> > extremely,
> > extremely reactive.  Practice. practice, and practice again, using
> lots of
> > H2O
> > from the end of a small nozzle hose allowing for a focused pour of
> H2O on
> > the subject area, and the use of a fine, fine brush, is essential. :)
> >
> > Bruce introduced me to this technique, more the 20 years ago, and I have
> > not for gotten the moment I called him ³Captain Ferricyanide,² during a
> 
> 
> 
> 
> 
> 
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