A mercury sensor for flow- and batch-injection analyses

In the present investigation two modifications of the injection technique (flow and batch) for an Hg ion-selective electrode have been applied. The optimal analytical parameters are found: sample volume, carrier flow rate, cell volume, tip-electrode distance, stirring rate. A limit of detection of 3...

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Bibliographic Details
Published in:Sensors and actuators. B, Chemical Chemical, 1995, Vol.24 (1), p.317-319
Main Authors: Vlasov, Yuri G., Ermolenko, Yuri E., Kolodnikov, Vasili V., Ipatov, Andrey V., Al-Marok, Sadeg
Format: Article
Language:English
Subjects:
Batch-injection analysis
Flow-injection analysis
Mercury sensor
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Summary:In the present investigation two modifications of the injection technique (flow and batch) for an Hg ion-selective electrode have been applied. The optimal analytical parameters are found: sample volume, carrier flow rate, cell volume, tip-electrode distance, stirring rate. A limit of detection of 3×10 −7 mol 1 −1 for a sample of mercury perchlorate of about 0.5 ml is obtained for the flow-injection analysis.
ISSN:0925-4005
1873-3077
DOI:10.1016/0925-4005(95)85069-4