[pure-silver] Re: Hardening fixer for film
- From: Snoopy <snoopy@xxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Mon, 16 Apr 2007 15:56:58 +0200
At 15:16 16.04.2007, you wrote:
I was under the impression that Sistan (or its
equivalent) needed to be the LAST step. ie If
you rinsed after the Sistan, the Sistan rinsed
out and was no longer there for protection.
??
I am stumped myself now. I learnt this Sistan use
(before he AGEPON) back yonder ages, someone told me. I canot even remember.
And now I checked the various data sheets (also
those by AGFA) and they only refer to Sistan for
the PRINTS! And to top it off ONLY BAryt prints.
They argue, that prints have a large surface area
allowing gaseous irritants to attack. Also there
are plenty of chemicals in the fibre base which
people claim can harm the print "from below".
But noone mentioned the film scenario. And nobody
said Sistan itself is a wetting agent, only the
archiving properties are mentioned.
It is of course entirely feasible, that the AGFA
chemists decided to also put wetting agent into
Sistan, as they want it to be the last bath and
they don´t want to be responsible for all of those stubborn water stains.
LOve,
Snoopy
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