Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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magnesium bicarbonate

A bicarbonate (Mg(HCO 3 )2) used in deacidifying papers. The bicarbonate is produced by passing carbon dioxide through a solution of magnesium carbonate. The document to be deacidified is immersed in a bath or sprayed with a solution of about 10 grams of magnesium carbonate per liter of water that has been treated with CO 2 . The advantage of this method is that it is simple and effective.

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