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PVC Supported Liquid Membrane and Carbon Paste Potentiometric Sensors Incorporating a Mn(III)‐Porphyrin for the Direct Determination of Undissociated Paracetamol
Author(s) -
Saraswathyamma Beena,
Pająk Marta,
Radecki Jerzy,
Maes Wouter,
Dehaen Wim,
Girish Kumar Krishnapillai,
Radecka Hanna
Publication year - 2008
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.200804280
Subject(s) - potentiometric titration , porphyrin , chemistry , membrane , molecule , potentiometric sensor , carbon fibers , inorganic chemistry , electroanalytical method , electrode , organic chemistry , materials science , biochemistry , composite number , composite material
PVC supported liquid membrane and carbon paste potentiometric sensors incorporating an Mn(III)‐porphyrin complex as a neutral host molecule were developed for the determination of paracetamol. The measurements were carried out in solution at pH 5.5. Under such conditions paracetamol exists as a neutral molecule. The mechanism of molecular recognition between the Mn(III)‐porphyrin and paracetamol, leading to potentiometric signal generation, is discussed.