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> I usually do not worry too much about things, but if we are
> replacing pickle with ascorbic acid, how can we ignore verdigris.
> A little bit of inconsistency here.
You may have made a mistake. There is Ascorbic acid, Citric Acid and
Acetic Acid which need to be considered in this reference. Based on
my ancient chemistry knowledge, I am pretty certain that only the
latter will produce verdigris when reacting with copper.
All the best,
J Collier Metalsmith