Please use this identifier to cite or link to this item: https://doi.org/10.1088/0022-3735/16/12/018
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dc.titleMiniature-electrode probe for conductivity measurements on electrolytic solutions or colloidal sols of small sample sizes
dc.contributor.authorNeelakantaswamy, P.S.
dc.contributor.authorAspar, K.F.
dc.contributor.authorRajaratnam, A.
dc.contributor.authorDas, N.P.
dc.date.accessioned2016-12-19T06:49:40Z
dc.date.available2016-12-19T06:49:40Z
dc.date.issued1983
dc.identifier.citationNeelakantaswamy, P.S., Aspar, K.F., Rajaratnam, A., Das, N.P. (1983). Miniature-electrode probe for conductivity measurements on electrolytic solutions or colloidal sols of small sample sizes. Journal of Physics E: Scientific Instruments 16 (12) : 1189-1193. ScholarBank@NUS Repository. https://doi.org/10.1088/0022-3735/16/12/018
dc.identifier.issn00223735
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/133334
dc.description.abstractWhen electrolytic solutions or colloidal sols are available only in small quantities, the immersible electrode system required for conductivity measurements on the solution should be small enough to be compatible with the volume of the test solution. To meet this requirement, a probe is described which is sufficiently small for complete immersion in a test solution of about 2*10 -3 cm 3 in volume. This probe consists of a single-piece miniature structure formed by a cylindrical capacitor with a central conductor that leads through a ceramic dielectric and a metallic cylinder which coaxially sleeves the outer surface of the ceramic. A protrusion of the inner conductor and the outer sleeving jointly constitute the two-electrode probe. When immersed in an electrolytic solution or a sol and excited by an AC source, the admittance of this capacitive probe would change which can be measured and related to the solution or sol conductivity. Design considerations involved in the construction of the probe and the associated measuring circuits to get optimum performance are discussed. Experimental results obtained from a test probe are presented and discussed.
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1088/0022-3735/16/12/018
dc.description.sourcetitleJournal of Physics E: Scientific Instruments
dc.description.volume16
dc.description.issue12
dc.description.page1189-1193
dc.identifier.isiutA1983RS66400022
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