TY - JOUR
T1 - Silver selective electrodes based on thioether functionalized calix[4]arenes as ionophores
AU - Malinowska, Elz˙bieta
AU - Brzozka, Zbigniew
AU - Kasiura, Krzysztof
AU - Egberink, Richard J.M.
AU - Reinhoudt, David
PY - 1994
Y1 - 1994
N2 - Silver selective electrodes based on thioether functionalized calix[4]arenes 1 and 2 as ionophores were investigated. For both ionophores the selectivity coefficients (log kAg,M) were lower than −2.2 for Hg(II) and lower than −4.6 for other cations tested. The best results were obtained with membranes containing dithioether functionalized calix[4]arene (ionophore 2), potassium tetrakis(4-chlorophenyl) borate (KTpCIPB) and bis(1-butylpentyl)adipate (BBPA) as a plasticizer. The Ag(I)-response functions exhibited almost theoretical Nernstian slopes in the activity range 10−6–10−1M of silver ions.
AB - Silver selective electrodes based on thioether functionalized calix[4]arenes 1 and 2 as ionophores were investigated. For both ionophores the selectivity coefficients (log kAg,M) were lower than −2.2 for Hg(II) and lower than −4.6 for other cations tested. The best results were obtained with membranes containing dithioether functionalized calix[4]arene (ionophore 2), potassium tetrakis(4-chlorophenyl) borate (KTpCIPB) and bis(1-butylpentyl)adipate (BBPA) as a plasticizer. The Ag(I)-response functions exhibited almost theoretical Nernstian slopes in the activity range 10−6–10−1M of silver ions.
KW - IR-57357
U2 - 10.1016/0003-2670(94)00267-3
DO - 10.1016/0003-2670(94)00267-3
M3 - Article
SN - 0003-2670
VL - 298
SP - 245
EP - 251
JO - Analytica chimica acta
JF - Analytica chimica acta
IS - 2
ER -