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An analytical method for determining the amount of a substance, such as water, released during electrolysis by measuring the number of coulombs used.

cou′lo·met′ric (-lə-mĕt′rĭk) adj.
cou′lo·met′ri·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
The titrant [Ce.sup.4+] was coulometrically generated by electrolytic oxidation of [Ce.sup.3+] at platinum mesh electrode.
The analytes were detected coulometrically with a conditioning cell (5021; ESA) electrode at 410 mV and an analytical cell (5011; ESA) at -310 mV.
The gas stream is sparged into a reaction cell and titrated by coulometrically generated triiodide ions.