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carbonation

 
Sci-Tech Dictionary: carbonation
(′kär·bə′nā·shən)

(chemistry) Conversion to a carbonate.
(chemical engineering) The process by which a fluid, especially a beverage, is impregnated with carbon dioxide.
(geochemistry) A process of chemical weathering whereby minerals that contain soda, lime, potash, or basic oxides are changed to carbonates by the carbonic acid in air or water.


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Addition of carbon dioxide gas to a beverage, imparting sparkle and a tangy taste and preventing spoilage. The liquid is chilled and cascaded down in an enclosure containing carbon dioxide (either as dry ice or a liquid) under pressure. Increasing pressure and lowering temperature maximize gas absorption. Carbonated beverages do not require pasteurization.

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Geography Dictionary: carbonation
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A form of solution where an acid, formed by the solution of atmospheric carbon dioxide in the water, dissolves minerals. The effects of carbonation are best seen in the solution of calcium-rich rocks, such as limestone, but carbonic acid will also dissolve silicates. See also karst.

Architecture: carbonation
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The reaction between carbon dioxide and calcium compounds, esp. in cement paste, mortar, or concrete, to produce calcium carbonate.


 
 
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labyrinth karst
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Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.  Read more
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Geography Dictionary. A Dictionary of Geography. Copyright © Susan Mayhew 1992, 1997, 2004. All rights reserved.  Read more
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