XPS studies of the fluoride ion-selective electrode membrane LaF3 : ion interfaces

Roland De Marco; R W Cattrall; J Liesegang; G L Nyberg; I C Hamilton

doi:10.1002/sia.740140806

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XPS studies of the fluoride ion-selective electrode membrane LaF3 : ion interfaces

Journal article

Peer reviewed

XPS studies of the fluoride ion-selective electrode membrane LaF3 : ion interfaces

Roland De Marco, R W Cattrall, J Liesegang, G L Nyberg and I C Hamilton

Surface and Interface Analysis, Vol.14(8), pp.457-462

1989

DOI: https://doi.org/10.1002/sia.740140806

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Abstract

electrodes

fluorine compounds

lanthanum compounds

spectroscopy

electron

electrode membranes

ion interferences

lanthanum fluoride

x-ray photoelectron spectroscopy

membranes

XPS has been used to investigate ion-exchange processes occurring at the surface of the fluoride ion-selective electrode membrane. It is shown that ion exchange occurs to a depth much greater than that of the outermost solid surface monolayer. The effect of hydroxide ion interference on the response of the electrode has been studied, and a mechanism for its action is proposed. Studies of electrode membranes exposed to carbonate phosphate ions show that interferences on the response of the electrode cannot be interpreted by solubility product considerations alone.

Details

Title: XPS studies of the fluoride ion-selective electrode membrane LaF3 : ion interfaces
Authors: Roland De Marco (Author) - Curtin University of Technology
R W Cattrall (Author) - Curtin University of Technology
J Liesegang (Author) - Curtin University of Technology
G L Nyberg (Author) - Curtin University of Technology
I C Hamilton (Author) - BHP Central Research Laboratories
Publication details: Surface and Interface Analysis, Vol.14(8), pp.457-462
Publisher: John Wiley & Sons Ltd.
Date published: 1989
DOI: 10.1002/sia.740140806
ISSN: 0142-2421
Organisation Unit: University of the Sunshine Coast, Queensland; Office of the Deputy Vice-Chancellor (Research and Innovation)
Language: English
Record Identifier: 99448995702621
Output Type: Journal article

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