Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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organic acids

The class of acids, such as acetic, formic, lactic. oxalic, tannic, etc., which are usually found in living organisms or which can be made from them. These acids are characterized by being relatively volatile and weak, consequently they are considered to he less harmful to archival materials. especially paper and leather, than the more powerful inorganic acids; however, they can be very destructive if allowed to remain in contact with leather or paper, especially the latter. for long periods of time.

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