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Electrooxidation of o-Aminobenzylalcohol-Identification of Oligo-benzylether structures and Polyaniline Type Polymer by IR and UV/ViS Spectra

Boczek B., Palys B.

Polish Journal of Chemistry

2004

Vol. 78 / nr 9

1509-1521

The electrooxidation of o-aminobenzylalcohol was studied in aqueous acidic solutions. Two distinct electroactive and electrochromic products were identified by cyclic voltammetry, in situ UV/VIS and infrared spectra. In initial electrodeposition cycles the oligomers containing benzylether units are formed. Further oxidation-reduction cycles lead to the polyaniline-type polymer. Effects of the kind of acid present in the polymerization bath and of the acid concentration were also studied.

Silver ion selective electrode based on (2-pyridylmethoxy)-p-t-octylcalix[4]arene

Higuchi H., Shinohara T., Oshima T., Ohto K., Inoue K.

Ars Separatoria Acta

2002

No. 1

99-103

Calix[4]arene bearing pyridyl group at lower-rim has been used as an ionophore for silver ion-selective electrode. The electrode membranes containing different amount of potassium tetrakis(p-chlorophenyl)borate (KTpClPB) were prepared to investigate the influence of KTpClPB on potential response. The response behavior for membranes depends on the amount of KTpClPB and dramatically changes from anion to cation response. The membrane containing 135 mol % with respect to ionophore gives linear response to Ag+ in the concentration range from 10-5.5 to 10-2 M AgNO3.