[pure-silver] Re: RC to FB
- From: Ryuji Suzuki <rs@xxxxxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx, info@xxxxxxxxxxxxxxxx
- Date: Fri, 31 Dec 2004 14:52:32 -0500 (EST)
From: DarkroomMagic <info@xxxxxxxxxxxxxxxx>
Subject: [pure-silver] Re: RC to FB
Date: Fri, 31 Dec 2004 14:28:51 +0100
> Toning is more critical with FB paper, because RC is more forgiving
> to processing errors. According to Ilford Technical Services,
> sulphide toner also reacts with residual silver, compensating to,
> some degree, this processing error. Residual silver (or fixer) in RC
> is rare compared to FB. That's why there is less need for sulphide
> toning.
For those who give proper (which I mean very close to the possible
best) processing to prints, the expected action of archival toning is
to protect image forming grains from deterioration due to
environmental pollutants. What you said is true in case of less than
perfect processing but I don't think that is what hard core b&w wet
printers should be worrying about in now almost 2005.
Metallic silver in RC and FB prints are equally vulnerable to
environmental pollutants. I think dwelling on the difference in
supports, material, etc. are more likely to send wrong message.
Happy new year to all.
--
Ryuji Suzuki
"Keep a good head and always carry a light camera."
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