Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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A dispersion in which a material is dissolved or suspended in a liquid which volatilizes to produce a fine spray when pressure is released. The spray carries the active material. Tn archival work, aerosols are used for dispersing deacidification solutions; in this case the propellant, which must be inert and nonflammable, is frequently a chlorofluorocarbon, e.g., freon 12, dichlorodifluoromethane (CCl 2 F 2 ).

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