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Membrane incorporating [Mg{(TAP)(SBn) 8 }] complex, (I), as ionophore with composition I:NaTPB:DOP:PVC in the ratio 10:2:133:200 (w/w) exhibits the best result for potentiometric sensing of Mg 2+ ions. This gives linear potential response in the concentration range of 9.4x10 -6 to 1.0x10 -1 M with a slope of 29.2+/-0.4mV per decade of activity of Mg ...
5,7,12,14-tetramethyldibenzo[b,i]-1,4,8,11-tetraazacyclotetradecane, Me4Bzo2[14]aneN4. (I) was synthesized and used as an electroactive material for the fabrication of membrane electrode in PVC matrix for the determination of Cu2+. The best performance was given by the membranes of macrocycle (I) with composition 5:3:100:150 (I:NaTPB:DBBP:PVC). The sensor worked well over a concentration range 2.5...
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