Reply To: Educate me on tannic acids
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26 August 2017 at 10:34 pm
#314690
It’s well known that American Arts & Crafts furniture made from white oak was darkened with ammonia fumes. Of course, you’ve got to do this outdoors! I believe it’s done by making a small plastic tent to concentrate the ammonia gas but don’t quote me on that. It’s possible many oxidizing acids in water would do the same thing.