Slaked lime

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Hydrated lime prepared by soaking quicklime (Calcium oxide) in water forming Calcium hydroxide. When lime is slaked in air (air-slaked lime), it absorbs both water and carbon dioxide, forming a mixture of calcium hydroxide and Calcium carbonate.

Synonyms and Related Terms

calcium hydroxide; hydrated lime; slack lime; cal apagada (Port.); air slaked lime; air-slaked lime; caustic lime; builder's lime; cal; pickling lime

Resources and Citations

  • Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
  • CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: density=1.3-1.4