[alt-photo] Re: Palladium Failures
kerik at kerik.com
Thu Oct 6 02:22:45 GMT 2011
Eric, if your after-development water rinse is alkaline (above pH 7) that
will make clearing difficult. Try going straight from the developer to the
citric acid and see if that helps.
> -----Original Message-----
> From: alt-photo-process-list-bounces at lists.altphotolist.org [mailto:alt-
> photo-process-list-bounces at lists.altphotolist.org] On Behalf Of eric
> Sent: Wednesday, October 05, 2011 7:06 PM
> To: alt-photo-process-list at lists.altphotolist.org
> Subject: [alt-photo] Re: Palladium Failures
> Of course it couldn't just be happiness and light here, Nooo that would be
> too easy. Now clearing is becoming an issue.
> I rinse after development for a few minutes then into a 5% citric acid
> 10 minutes, another 10-15 minute rinse, and then 2 successive baths of
> sodium sulfite and edta 10gms ea. per liter.
> During the last wash I notice the telltale slight orange-ish tinge which
> the print back to the citric bath and so on. Since the client doesn't
> around his image I have to mask these but that is a big help in seeing
> issues. Previous prints yesterday weren't as much of an issue.
> Any hints out there? It's Cot 320. I have been adding additional edta
> sulfite as the problem persisted.
> Jeez I'm even getting development lines! Maybe I can hit *all* the
> booboos in one job!
> *Great Eric..happy printing!
> humidity, humidity, humidity..
> Best Wishes,
> Mark Nelson
> Welcome to the Precision Digital Negatives Home!
> PDNPrint : Precision Digital Negatives Forum Mark I. Nelson Photography -
> On Oct 5, 2011, at 4:50 PM, eric nelson wrote:
> > Just want to say 'thanks' to those who got me going in the right
> > I had a hard time believing I needed to humidify what's basically a
> > basement, but lack of failures since doing so proves it to be a good
> > Also, I found that tube coating with Cot 320 is now working better
> > than a brush, i.e. not looking totally crappy.
> > I run the evaporative humidifier overnight on low fan and turn it on
> > high when I get in in the morning. The paper is sitting right next to
> > the humidifier. After coating with a tube I let it sit for a couple
> > minutes
> > then use a cool hair dryer on it. When I say cool, it's only a couple
> > degrees warmer than the air.
> > After drying both sides, I let the paper sit next to the humidifier
> > for 5 mins or so and then expose it.
> > Works great and thanks again.
> > Eric
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