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Microelectrode Procedures for the Analysis of Silicate and Phosphate — Towards Practical Procedures
Author(s) -
Hodgson Alexia W. E.,
Pletcher Derek
Publication year - 1998
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/(sici)1521-4109(199804)10:5<321::aid-elan321>3.0.co;2-a
Subject(s) - microelectrode , silicate , phosphate , chemistry , computer science , electrode , biochemistry , organic chemistry
Amperometric methods using microdisk electrodes and based on the formation of electroactive molybdophosphate and molybdosilicate complexes are described for the determination in water samples of phosphate and silicate. It is demonstrated that it is possible to devise conditions for the analysis of 1—100 μM phosphate or silicate in the presence of a large excess of the other. It is also possible to determine both phosphate and silicate in a single analysis provided they are present in not too dissimilar concentrations.