Abstract − Analytical Sciences, 14(1), 151 (1998).
Ion-Selective Liquid Membrane Electrode forDiscrimination ofAlkyllead Derivatives and Inorganic Lead Ions
Danuta ZIELIN ´ SKA, HannaRADECKA and Jerzy RADECKI *
Chemistry Department,University of Agriculture and Technology, 10-957 Olsztyn-Kortowo, Poland
An investigation by using ion-selective electrodes on the discrimination ofPb 2+ and R3Pb + ,where R is an alkylsubstituent, is the subject of the present paper. Selective macrocyclicthiacrown ethers are applied as active ligands. Theresponse and selectivity of electrodes based on thiacrown ethers andionophore-free electrodes towards inorgnaic leadions and alkyllead substituents in model solutions and mazine cell sap arereported. The presented electrodes could berecommended as a relatively cheap and simple method for lead speciation. (Keywords: Ion-selective liquid membrane electrode, thiacrown ethers,lead speciation)
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