Abstract
The preparation of 1,10-phenanthroline derivatives and 4 J-diphenyl-1,10-phenanthroline derivatives as neutral carriers for ion-selective electrodes and the properties of the title electrodes are described in detail A log KPotLi,Navalue of-3.1 was obtained for a Li+-selective PVC membrane electrode based on 2,9-dibutyl-1,10-phenanthroline. This value is superior to those reported so far. The electrodes also showed excellent selectivity coefficients for Li+ relative to K+, Mg2+, and Ca2+ The effects of substituents at the 2- and 9- positions of the carriers on the selectivity are discussed.
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Sugihara, H., Okada, T. & Hiratani, K. Lithium Ion-Selective Electrodes Based on 1,10-Phenanthroline Derivatives. ANAL. SCI. 9, 593–597 (1993). https://doi.org/10.2116/analsci.9.593
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DOI: https://doi.org/10.2116/analsci.9.593