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A bielectrode array comprising a jalpaite membrane (i.e., Ag 1.5 Cu 0.5 S) copper(II) ion-selective electrode (ISE) and chalcogenide glass membrane (i.e., Fe 2.5 (Se 60 Ge 28 Sb 12 ) 97.5 ) iron(III) ISE has been assembled by individually wiring each solid-state sensor into a single electrode body. Furthermore, a dual metal ion buffer calibration...
A marriage of electrochemical impedance spectroscopy (EIS) and in situ synchrotron radiation grazing incidence X-ray diffraction (SR-GIXRD) has provided a powerful new technique for the elucidation of the mechanistic chemistry of electrochemical systems. In this study, EIS/SR-GIXRD has been used to investigate the influence of metal ion buffer calibration ligands, along with natural organic ligands...
An in situ surface study of the iron chalcogenide glass membrane ion-selective electrode (ISE) in aqueous media has been undertaken using a tandem technique of mixed potential/synchrotron radiation grazing incidence X-ray diffraction (SR-GIXRD) and atomic force microscopy (AFM). This work has simultaneously monitored the mixed potential and in situ surface diffraction patterns of this crystalline...
It is shown that a chalcogenide glass mercury II ion-selective electrode (ISE) can be calibrated in chloride-free unbuffered and saline buffered standards, displaying near-Nernstian response over 19 orders of magnitude (i.e. 10 -20 to 10 -1 M Hg 2+ ). Extended ageing of the ISE in seawater induced a memory effect, causing the electrode to respond...
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