Alcohol determination using an acoustic wave sensor
authors Gomes, MTSR; Verissimo, MIS; Oliveira, JABP
journal FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY
keywords LIQUID-PHASE; MICROBALANCE; FREQUENCY
abstract An acoustic wave methodology was developed to quantify alcohols in aqueous solutions. The frequency at minimum impedance of a bare quartz crystal in contact with ethanol solutions was found to be a suitable parameter to quantify ethanol. Ethanol in several Portuguese white wines was analyzed both by the proposed methodology and by the usual areometric method with no statistically significant differences (alpha = 0.05) in precision or accuracy of the results.
publisher SPRINGER-VERLAG
issn 0937-0633
year published 2001
volume 369
issue 07-ago
beginning page 613
ending page 615
digital object identifier (doi) 10.1007/s002160000685
web of science category Chemistry, Analytical
subject category Chemistry
unique article identifier WOS:000168522500015
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