Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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cuprammonium hydroxide

A solution of cupric hydroxide in aqueous ammonium hydroxide (Cu(NH 3 ) 4 . (OH) 2 ), which is capable of dissolving cellulose if the concentration of copper and ammonia are within given limits. The VISCOSITY (2) of a cellulosic solution in cuprammonium hydroxide is often used in quality control in the manufacture of paper. (17 )

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