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The cyclam derivative 1,4,8,11-tetra(n-octyl)-1,4,8,11-tetraazacyclotetradecane (L) has been used as carrier for the preparation of PVC-based membrane ion-selective electrodes for anionic surfactants. Different membranes were prepared using L as ionophore, tetra-n-octylammonium bromide (TOAB) as cationic additive and dibutyl phthalate (DBP) or o-nitrophenyl octyl ether (NPOE) as plasticizers. The...
The new ligand 7-methyl-7,13-di-octyl-1,4,10-trioxa-13-aza-7-azonia-cyclopentadecane (L 1 ) has been designed, synthesised and used as ionophore in the development ion-selective electrodes for anionic surfactants. Different PVC-membrane anionic-surfactants-selective electrodes were prepared by using L 1 as ionophore and bis(2-ethylhexyl)sebacate (BEHS), dibutyl phthalate (DBP) and...
The polyamines, octyl-[2-(2-octylamino-ethylamino)-ethyl]-amine (L 1 ) and octyl-{2-[2-(2-octylamino-ethylamino)-ethylamino]-ethyl}-amine (L 2 ), have been used as anion ionophores in PVC-based membrane ion-selective electrodes. Different electrodes were prepared containing L 1 , or L 2 , and o-nitrophenyl octyl ether (NPOE) or bis(2-ethylhexyl)sebacate (DOS) as plasticizers...
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