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Coated-wire ion-selective electrodes

✍ Scribed by L. Cunningham; H. Freiser


Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
522 KB
Volume
180
Category
Article
ISSN
0003-2670

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✦ Synopsis


Coated-wire

ion-selective electrodes were first developed in 1971, and comprise a film of polyvinyl chloride or other suitable polymeric matrix substrate containing a dissolved electroactive species, coated on a conducting substrate (generally a metal, although any material with conductivity substantially higher than that of the film can be used). Electrodes of this sort are simple, inexpensive, durable and capable of reliable response in the concentration range of 10-l to 10d M for a wide variety of both organic and inorganic cations and anions. The principles on which these electrodes are based, as well as their application to a variety of analytical problems, will be discussed.


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