Hemispherands in ion-selective compositions

Details Hemispherands in ion-selective compositions Hemispherands in ion-selective compositions

H - Electricity

01

B

18/14, 403/2, 32

H01B 1/00 (2006.01) G01N 27/333 (2006.01)

Patent

CA 1176829

Abstract Ion-sensitive compositions which comprise an ionophore, a compound capable of solvating the ionophore, and a supporting matrix are disclosed. The ionophore according to the invention is a lipo- philic hemispherand compound. These compositions are particularly useful in ion-sensitive electrodes. Preferred electrodes are capable of selectively detecting a first ion in preference to a second ion. Particularly useful hemispherands have a .DELTA.G of complexation with the first ion which is at least 0.3 Keal/mole greater than the .DELTA.G of complexation with the second ion.

416040

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