Impregnation

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Impregnation

 

saturation of fixed animal tissues with certain metal salts or oxides (for example, silver nitrate, cobalt nitrate, chlorites of gold and cadmium, and osmic acid anhydride). One of the methods of revealing histological structures.

impregnation

The process of adding chemical preservatives, resin, or fire retardants to wood under pressure. Also see Bethell process.
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