| abstract |
A solid contact ion-selective electrode with a substantially hydrophobic solid contact. Tetradecyl-substituted poly(3,4-ethylenedioxythiophene) (PEDOT-C 14 ) with tetrakispentafluorophenyl borate (TPFPhB) as counter ion can be used as the hydrophobic solid contact, in combination with various sensing membranes used in ion-selective electrodes. Other PEDOT derivatives that can be used include, but are not limited to, PEDOT-C 12 , PEDOT-C 10 , PEDOT-C 8 , or PEDOT-C 4 . Other counter ions that can be used include tetrakis(4-chlorophenyl) borate, tetrakis[3,5-bis(trifluoromethyl)phenyl]borate, and heptadecafluorooctanesulfonate (HDFOS). |