Nitrite-selective microelectrodes.

Schaller U; Bakker E; Spichiger UE; Pretsch E

doi:10.1016/0039-9140(94)e0048-v

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Journal article

Nitrite-selective microelectrodes.

Schaller U Department of Organic Chemistry, Swiss Federal Institute of Technology (ETH), Universitätstrasse 16, CH-8092 Zürich, Switzerland.
Bakker E
Spichiger UE
Pretsch E

1994-06-01

Published in:

Talanta. - 1994

General Chemistry

English The development of nitrite-selective liquid membrane microelectrodes based on a synthetic charged ionophore is described. The addition of potassium tetrakis(4-chlorophenyl)borate and poly(vinyl chloride) to the membrane phase is essential to lower the ohmic resistance and to prolong the lifetime of the microelectrodes. The detection limits for sodium nitrite solutions without and with an ion background of 0.1M chloride are 10(-5.1) and 10(-4.2)M, respectively. The comparison with macroelectrodes shows that the miniaturization reduces, to some extent, the selectivity and the slopes of the EMF response functions.

Language

English

Open access status

closed

Identifiers

DOI 10.1016/0039-9140(94)e0048-v
PMID 18966028

Persistent URL

https://sonar.ch/global/documents/122666

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