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Evaluation of a PVC‐Based Thionine‐Zeolite and Zeolite Free Membranes as Sensing Elements in Ion Selective Electrode
Author(s) -
Sohrabnejad Shabnam,
Zanjanchi Mohammad A.,
Arvand Majid,
Mousavi Mir F.
Publication year - 2004
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.200302945
Subject(s) - thionine , zeolite , electrode , polyvinyl chloride , membrane , ion selective electrode , ascorbic acid , inorganic chemistry , chemistry , materials science , chemical engineering , catalysis , organic chemistry , electrochemistry , biochemistry , selectivity , food science , engineering
The construction and performance characteristics of thionine electrodes based on the ion‐pair complex thionine‐tungstophosphate and thionine‐mordenite zeolite embedded in a polyvinyl chloride (PVC) matrix is described. Thionine electrode based on the ion‐pair is used for the indirect determination of ascorbic acid by standard addition method.