NDLI: Amperometric measurement of gaseous hydrogen sulfide <i>via</i> a Clark-type approach

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Analytical Methods Vol - 2 Issue - 8

Analytical Methods Vol - 2 Issue - 7

Analytical Methods Vol - 2 Issue - 6

Analytical Methods Vol - 2 Issue - 5

Analytical Methods Vol - 2 Issue - 4

Analytical Methods Vol - 2 Issue - 3

Analytical Methods Vol - 2 Issue - 2

Analytical Methods Vol -1

Amperometric measurement of gaseous hydrogen sulfide via a Clark-type approach

Content Provider	Royal Society of Chemistry (RSC)
Author	Wadhawan, Jay Mccreedy, Tom Horn, Jason J.
Copyright Year	2010
Abstract	The direct oxidation of hydrogen sulfide in the range 2.0–20 parts per million by volume (ppmv) using a Clark-type amperometric gas sensing methodology is investigated via amperometric transients at 298 K. The diluent gas employed is air (20.9% O2 in N2), and it is shown that the observed current transients are limited by transport through the membrane covering, reaching a steady-state value within at least 200 s for one of the manifestations described. The measurement system presented is shown to be operational over a long time (tens of hours), provided certain quantification protocols are employed; the latter are suggested as pragmatic guidelines for the deployment of this detection methodology. Importantly and notably, it is shown that readily-oxidizable gases such as carbon monoxide and molecular hydrogen are observed not to interfere with the measurement quantification.
Starting Page	1346
Ending Page	1354
Page Count	9
File Format	HTM / HTML PDF
ISSN	17599660
Volume Number	2
Issue Number	9
Journal	Analytical Methods
DOI	10.1039/c0ay00338g
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Hydrogen sulfide Diluent Oxygen Hydrogen Carbon monoxide Argon
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Engineering Chemical Engineering

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