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Am. J. Enol. Vitic. 10:2:56-60 (1959)
Copyright © 1959 by the American Society for Enology and Viticulture.
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Investigation Into Measuring Redox Potentials in Wines

E. N. Costa 1

1 Monis Wineries Ltd., Huguenot, Union of South Africa

A modified pipette electrode is described that allows rigorous cleaning prior to redox measurements in wine and gives instantaneous drift-free values. A simple electrometer circuit is described that is highly stable and has a grid current well below that of which the cell can be polarized (10-12 amps ±). The necessary shielding of sample and electrode is described.






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Copyright © 1959 by the American Society for Enology and Viticulture.