Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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cupriethylenediamine hydroxide

A solution of cupric hydroxide in aqueous ethylenediamine (Cu(OH) 2 + xNH 2 CH 2 CH 2 NH 2 → ([NH 2 CH 2 CH 2 NH 2 ] 2 Cu(OH) 2 ). The solution will dissolve cellulose when the concentration of copper and ethylenediamine are within certain limits. The VISCOSITY (2) of a cellulosic solution in cupriethylenediamine is used in quality control in the manufacture of paper. (17 )

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