This invention relates to sodium-selective agents which are monensin amide derivatives and sodium-selective electrodes having sodium-selective membranes containing such monensin amide derivatives. This invention further relates to multisensor flow assemblies incorporating such a monensin amide derivative...http://www.google.fr/patents/US5522978?utm_source=gb-gplus-shareBrevet US5522978 - Monensin amides for sodium-selective electrodes
