Dipodal Tetraamide Derivatives of 1,10-Diaza-18-Crown-6 and Alkylmalonic Acids—Synthesis and Use as Ionophores in Ion Selective Membrane Electrodes - Publication - Bridge of Knowledge

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Dipodal Tetraamide Derivatives of 1,10-Diaza-18-Crown-6 and Alkylmalonic Acids—Synthesis and Use as Ionophores in Ion Selective Membrane Electrodes

Abstract

Novel dipodal derivatives of an 18-membered diaza-crown ether with two diamide chains featuring methylmalonic or butylmalonic acid residues were obtained and tested as ionophores in ion-selective plasticized membrane electrodes. The objective of the study was to identify measurement conditions which ensure the most favorable performance for magnesium ion-selective electrodes. The relationship between the molar lipophilic anion salt-to-ionophore ratio and selectivity of electrodes was examined. The best result was obtained for the conventional electrode containing Mg2 ionophore. Calculated selectivity coefficients were as follows: logKMg/Ca = −2.77, logKMg/Na = −3.46 and logKMg.K = −2.24 (SSM, 1M)

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DOI:
Digital Object Identifier (open in new tab) 10.3390/s21154984
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Category:
Articles
Type:
artykuły w czasopismach
Published in:
SENSORS no. 21,
ISSN: 1424-8220
Language:
English
Publication year:
2021
Bibliographic description:
Pomećko R., Luboch E., Jeszke M.: Dipodal Tetraamide Derivatives of 1,10-Diaza-18-Crown-6 and Alkylmalonic Acids—Synthesis and Use as Ionophores in Ion Selective Membrane Electrodes// SENSORS -Vol. 21,iss. 15 (2021), s.4984-
DOI:
Digital Object Identifier (open in new tab) 10.3390/s21154984
Verified by:
Gdańsk University of Technology

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