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perchloric acid

noun, Chemistry
a colorless, syrupy hygroscopic liquid, HClO 4 , an acid of chlorine containing one more oxygen atom than chloric acid: used chiefly as a reagent in analytical chemistry.
1810-20 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for perchloric acid
  • Hydrogen peroxide and perchloric acid are commonly found in research laboratories.
  • Perform all perchloric acid digestions in a perchloric acid hood.
  • Because perchloric acid is potentially explosive, use of phosphoric acid instead is also common.
  • Perform all perchloric acid digestions in a perchloric acid fume hood.
  • Hydrochloric acid and perchloric acid can damage the skin.
British Dictionary definitions for perchloric acid

perchloric acid

a colourless syrupy oxyacid of chlorine containing a greater proportion of oxygen than chloric acid. It is a powerful oxidizing agent and is used as a laboratory reagent. Formula: HClO4 Systematic name chloric(VII) acid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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perchloric acid in Medicine

perchloric acid per·chlo·ric acid (pər-klôr'ĭk)
A clear colorless liquid that is the highest in oxygen content of the series of chlorine acids and is a powerful oxidant used as a catalyst.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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perchloric acid in Science
perchloric acid
A clear, colorless liquid that is very corrosive and, under some conditions, extremely explosive. It is a powerful oxidant and is used as a catalyst and in explosives. Chemical formula: HClO4.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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