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Nov 30, 2009
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perchlo'ric ac'id



Chem.
a colorless, syrupy hygroscopic liquid, HClO4, an acid of chlorine containing one more oxygen atom than chloric acid: used chiefly as a reagent in analytical chemistry.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

perchloricperchloride
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