A new procedure for the construction of flow-through optodes. Application to determination of copper (II)

A new procedure for the construction of flow-through optodes. Application to determination of copper (II)

A new procedure for constructing an optical fibre reflectance, bulk optode membrane type, sensor is presented. The optode membrane consists of a plasticized poly (vinyl chloride) membrane in which the ionophore is dissolved, entrapped in a cellulose support. The new optode with the dye indicator 1-(...

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Veröffentlicht in:Fresenius' journal of analytical chemistry 2000-04, Vol.366 (8), p.811-815
Hauptverfasser: SANCHEZ-PEDRENO, C, ORTUNO, J. A, ALBERO, M. I, GARCIA, M. S, GARCIA DE LAS BAYONAS, J. C
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Analytical chemistry
Chemistry
Exact sciences and technology
General, instrumentation
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container_end_page 815
container_issue 8
container_start_page 811
container_title Fresenius' journal of analytical chemistry
container_volume 366
creator SANCHEZ-PEDRENO, C
ORTUNO, J. A
ALBERO, M. I
GARCIA, M. S
GARCIA DE LAS BAYONAS, J. C
description A new procedure for constructing an optical fibre reflectance, bulk optode membrane type, sensor is presented. The optode membrane consists of a plasticized poly (vinyl chloride) membrane in which the ionophore is dissolved, entrapped in a cellulose support. The new optode with the dye indicator 1-(2-pyridylazo)-2-naphthol (PAN) was incorporated in a new flow-through cell and the injection system was optimized to determine Cu (II) at 567 nm in the range 5 x 10(-5)-10(-3) M. The response was reproducible and the optode can be regenerated using 10(-2) M EDTA followed by water. The method was applied to the determination of copper in real samples.
doi_str_mv 10.1007/s002160051576
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subjects Analytical chemistry
Chemistry
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General, instrumentation
title A new procedure for the construction of flow-through optodes. Application to determination of copper (II)
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