superacid

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superacid

[¦sü·pər′as·əd]
(chemistry)
An acidic medium that has a proton-donating ability equal to or greater than 100% sulfuric acid.
A solution of acetic or phosphoric acid.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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It is essential that the sulfate species must contain strong covalence S=O bond that has a strong ability of inducing electron for the formation of solid super acid, which will enhance Lewis acidity of metal center ion.
He is also known for his research on super acids. Brian McCarry, FCIC, chair of McMaster's department of chemistry, explained the significance of Gillespie's research.