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polarography

[poh-luh-rog-ruh-fee] /ˌpoʊ ləˈrɒg rə fi/
noun
1.
Chemistry. the use of a Polarograph to perform qualitative or quantitative analyses.
Also called polarographic analysis.
Origin
1935-1940
1935-40; Polaro(graph) + -graphy
Related forms
polarographic
[poh-lar-uh-graf-ik, puh-] /poʊˌlær əˈgræf ɪk, pə-/ (Show IPA),
adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for polarography

polarography

/ˌpəʊləˈrɒɡrəfɪ/
noun
1.
a technique for analysing and studying ions in solution by using an electrolytic cell with a very small cathode and obtaining a graph (polarogram) of the current against the potential to determine the concentration and nature of the ions. Because the cathode is small, polarization occurs and each type of anion is discharged at a different potential. The apparatus (polarograph) usually employs a dropping-mercury cathode
Derived Forms
polarographic (ˌpəʊlərəˈɡræfɪk) adjective
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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Encyclopedia Article for polarography

in analytic chemistry, an electrochemical method of analyzing solutions of reducible or oxidizable substances. It was invented by a Czech chemist, Jaroslav Heyrovsky, in 1922.

Learn more about polarography with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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