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Baumé

The French chemist and pharmacist Antoine Baumé (1728-1804) ran a pharmacy in Paris from 1752. He became a member of the Académie française in 1773. As the owner of a chemical factory, he investigated clay for porcelain production. Together with the chemist Pierre-Joseph Macquer (1718-1784), he founded a pharmaceutical-chemical school. Among other things, Baumé constructed more effective distillation apparatus and investigated the effect and formation of carbon dioxide and hydrogen sul phide, analysed potassium sulphate, methane (swamp air) and water, and the crystallisation of salts. A liquid balance developed by Baumé (Baumé-areometer) was introduced in 1768 for measuring density.

Baumé - Porträt und Buchcover

From 1771 and still until the middle of the 20th century, this was mainly used in the mineral oil and sulphuric acid industries. It can also be used to measure the alcohol content of a liquid such as wine. In the Mediterranean countries, the Baumé scale was and is still partly used to determine the must weight (expressed with the unit of measurement Bé). See also other units of measurement used in viticulture under Babo, Balling, Brix and Oechsle.

Baumé: by Contributor:Cochin, Public domain, Link

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