[pure-silver] Re: PMK and MCS

Ryuji, is that because the sodium thiosulphate fixer takes longer to fix thereby soaking more into the fibre base, or does the ammonium thiosulphate just wash out faster?

I note that you have specified "at the same pH".

John Stockdale
=========================
At 05:06 AM  1/05/2006, you wrote:

From: Lloyd Erlick <lloyd@xxxxxxxxxxxx>
Subject: [pure-silver] Re: PMK and MCS
Date: Sun, 30 Apr 2006 14:23:26 -0400

> My experience is exactly the same as yours. I've been using a mildly
> alkaline fixer for years (it's the one included in the Appendix to
> The Print by Ansel Adams. It's called 'plain fixer'.)

The difference is that sodium thiosulfate fixers require longer wash
to reach same residual thiosulfate level compared to rapid fix at the
same pH.



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