Talk:Plato scale

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Brix article says ref temp for Plato is 17.5C
The Brix article says that the Plato scale uses a reference temperature of 17.5C, while this article says that the modern ASBC table is based on apparent 20C/20C SG readings. Is this a discrepancy, and who's right? Rocketman768 (talk) 16:11, 20 August 2009 (UTC)

The Normal-Eichungskomission (Plato) measurements were of true density at 20 °C referenced to water at 4 °C (see notes preceding ASBC table). The ASBC recalculated the Plato tables to give apparent specific gravity at (20/20) against strength. The Brix article has several errors in it. I'll try to fix it when I get some time Scutelatus (talk) 20:02, 23 August 2009 (UTC)