Recent developments in the field of ion selective electrodes

Autor:	M. Kessler, D. Ammann, W. E. Morf, E. Pretsch, Marc Güggi, Wilhelm Simon, René Bissig
Rok vydání:	1975
Předmět:	Thin layers Tetraphenylborate Field (physics) Chemistry General Chemical Engineering Inorganic chemistry General Chemistry Ion Metal chemistry.chemical_compound Membrane visual_art Electrode visual_art.visual_art_medium Molecule
Zdroj:	Pure and Applied Chemistry. 44:613-626
ISSN:	1365-3075 0033-4545
DOI:	10.1351/pac197544030613
Popis:	On the basis of model calculations, a series of electrically neutral lipophilic molecules was designed and synthesized. These carrier ligands may be tailored to ion selectivities suitable for practical application as components in liquid-membrane electrodes selective for Ca2+, Ba2+, Li+ and Na+ respectively. Some of the selectivities observed are far superior to systems known to date. By incorporating these ligands in PVC membranes, lifetimes of more than one year may be obtained. Through a special treatment with lipophilic anions (e.g. tetraphenylborate), silver surfaces may be coated with thin layers of ligand-impregnated PVC to obtain metal contacted membrane electrodes of high e.m.f. stability. They are perfectly suited for use as components in flow-through and in miniaturized electrode systems.
Databáze:	OpenAIRE
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