Yikes! I just rechecked the current MSDS for Kodak Hypo Clearing Agent, I contains _Sodium Citrate_ NOT Citric Acid. I don't know the source of this confusion, perhaps some much older edition listed the acid or perhaps my memory is going ("My mind is going Dave, I can feel it...") In any case the citrate would shift pH slightly to the alkaline side if it did anything.
I will now go hide under the bed.
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Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
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