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Solid‐state amperometric sensors for gas phase analytes: A review of recent advances
Author(s) -
Alber Kathryn S.,
Cox James A.,
Kulesza Pawel J.
Publication year - 1997
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.1140090202
Subject(s) - amperometry , analyte , solid state , materials science , gas phase , nanotechnology , polymer , electrolyte , analytical chemistry (journal) , chromatography , chemistry , electrode , electrochemistry , composite material
A review is geven on solid‐state amperometric sensors designed for the detection of gaseous analytes. Attention is geven primarily to sensors used in the absence of a bulk liquid phase that have been reported in the literature since 1992, although a historical perspective is presented. The review is limited to sensors employing solid polymer electrolytes, transition metal powders, and inorganic materials prepared by sol‐gel processes as the solid‐state electrylyte. The wide applicability of solid atate sensors to gas phase species is demonstrated through numerous examples. Analytes determined include O 2 , H 2 , CO, NO 2 , NH 3 , and SO 2 .