Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Paul Marie Alfred Lebeau (December 19, 1868 – 1959) was a French chemist. He studied at the elite Ecole superieure de physique et de chimie industrielles de la ville de Paris (ESPCI). Together with his doctoral advisor Henri Moissan he was working on fluorine chemistry discovering several new compounds, like bromine trifluoride, oxygen difluoride, selenium tetrafluoride and sulfur hexafluoride.In 1899 he was able to obtain pure beryllium by electrolysis sodium fluoroberyllate (Na2[BeF2]).

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