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TitleDilute Triton X-100 in water as a reference liquid for hydrometer calibration using Cuckow's method
Publication TypeJournal Article
Year of Publication2014
AuthorsRobinson, J.E., Sutton C.M., and Reid G.F.
JournalMeasurement: Journal of the International Measurement Confederation
Volume57
Pagination132 - 137
Date Published2014
ISSN02632241 (ISSN)
KeywordsCalibration, Hydrocarbon fluids, Hydrometers, Liquid density, Liquids, Mixing, Mixing ratios, Performance tests, Surface tension, Triton X-100
AbstractWe propose a 200 parts in 106 by volume solution of the surfactant Triton X-100 in water as a reference liquid for hydrometer calibration using Cuckow's method. This liquid has advantages over traditional hydrocarbon fluids such as nonane and tridecane; it is safer, less expensive, and the density can be determined with sufficient accuracy from the mixing ratio. Previous researchers have used about 70 parts in 106 by volume Triton X-100 in water. Here we report measurements on the surface tension behaviour of aqueous Triton X-100 solutions with concentrations in the range (39-301) parts in 106 by volume. These measurements indicate that a 200 parts in 106 mixture is a suitable compromise between surface tension behaviour and accuracy of calculation of the liquid density from the mixing ratio of Triton X-100 to water. Performance tests to confirm the suitability of this liquid are given. © 2014 Elsevier Ltd. All rights reserved.
URLhttp://www.scopus.com/inward/record.url?eid=2-s2.0-84906855929&partnerID=40&md5=23e8040a00453e970de595bbd45fdf35
DOI10.1016/j.measurement.2014.08.001

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