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Thread: Tannic acid experiment

  1. #1
    Supporting Member Philip Davies's Avatar
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    Tannic acid experiment

    Tannic acid experiment-c970b44b-d26d-4550-b93a-dbcca8b824d1.jpg

    I want to see whether I can extract tannin from all the acorns and galls I have to sweep up that is sufficiently acidic to etch steel. If citric acid works ( and it does) then I think this should as well!

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    Supporting Member Frank S's Avatar
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    I don't know about that but the acid from the hackberry trees will etch paint quite well.

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