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limelight
(redirected from calcium oxide)

   Also found in: Dictionary/thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
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? Mentioned in ? References in periodicals archive
 
To create lime, calcium carbonate (CaCO3), naturally occurring in limestone, coral, chalk and shellfish shells, is heated, a process that releases carbon dioxide and results in the formation of calcium oxide (CaO).
Chemical residue on the inside of the round-bottomed jars appears to be calcium oxide, a substance known to form during the salt-making process.
The contents are heated (heat is produced by a natural reaction from mineral, calcium oxide and water) to 145 degrees F in six to eight minutes - a hot spot will turn from pink to white on the thermal ink label.
 
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