A heterogeneous cobalt(II) sensitive electrode and its applications

PVC Based Selective Sensors for Ni2+ Ions Using Carboxylated and Methylated Porphine

“…The results presented in this paper show that the PVC matrix membrane of TBAP is superior sensor than those reported earlier [1][2][3][4][5][6][7][8][9][10][14][15][16]. The results obtained during the investigation are indicative of the applicability of the sensor for evaluation of Ni 2+ in effluents, wastewater and industrial wastes for subsequent use in building products.…”

“…A survey of literature reveals that the first nickel-selective electrode was reported by Pungor and co-workers using a nickel-dimethylglyoxime complex [1]. Later heterogeneous membranes of nickel phosphate in paraffin and silicone rubber [2], nickel bis-(2-ethylhexyl) phosphate in PVC [3] and a nickel complex of 1,4,8,11-tetraazacyclotetradecane in Araldite [4] were used for preparing electrodes. In addition to these solid membrane ion selective electrodes (ISEs), liquid membrane electrodes for nickel using O,O'-diisobutyldithiophosphatonickel(II) in chlorobenzene [5], bis (tetraethyl ammonium) bis (dithiobenzophenazine) nickelate in nitrobenzene [6] and nickel diethyl dithiocarbamate in chloroform [7] have also been reported.…”

Cobalt(II)-selective electrode based on a newly synthesized macrocyclic compound

“…Cobalt deficiency in animals may lead to retarded growth, loss of appetite and anaemia, and rapid recovery from these symptoms occurs upon feeding them with a cobalt-supplementary diet. However, despite the urgent need for cobalt-selective electrodes for the potentiometric monitoring of Co 2+ ions, there have been only limited reports on Co 2+ -ion selective electrodes in literature [6][7][8][9][10][11][12][13][14][15]. Thus, the fast, simple, and accurate determination of cobalt in different samples is very important.…”

Dibenzocyclamnickel(II) as Ionophore in PVC-Matrix for Ni2+-Selective Sensor

“…electroreduction of CO 2 [4] and NO 2 - [5], epoxidation of olefins [6], chemical and electrochemical reduction of alkyl halides [7], medical diagnosis as contrast media for NMR imaging [8] and in the fabrication of ionselective membrane electrodes [9]. The ion-selective electrodes reported for the determination of Ni 2+ in literature till date has poor selectivity, narrow concentration range, non-Nernstian response, long response time and poor reproducibility [10][11][12][13][14][15][16][17][18][19][20]. Contrary to this, the dibenzocyclam macrocycles could prove to be a better candidate for development of Ni 2+ selective electrodes.…”