Question

What acid is used to make ink and paper

Answer 1

Answer:

The ink was traditionally prepared by adding some iron(II) sulfate (FeSO4) to a solution of tannic acid, but any iron ion donor can be used.

Explanation:

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Answer 2

Cyntia Kannes Iron gall link is essential created by the chemical recution between tannic acid and iron sulfate in an aquoes solution. The primary active components in tannic are gold tannic and gallic acid.

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