Claude-Louis Berthollet, French chemist, c 1800.
4 0 c m
actual image size: 27cm x 32cm

Claude-Louis Berthollet, French chemist, c 1800.

Delpech, FranCois-SEraphin

© Science Museum / Science & Society Picture Library


Lithograph by Delpech after an original work by Maurin of Comte Claude-Louis Berthollet (1748-1822), innovator in physical and applied chemistry. Berthollet was elected to the Academy of Sciences in 1781. He helped Antoine Lavoisier research gunpowder and form the new chemical nomenclature. In 1785 he demonstrated the effectivenes of using chlorine for bleaching, and also showed ammonia to be a compound of hydrogen and nitrogen. Napoleon made him a count and senator, but Berthollet later voted for his deposition and became a peer after the Bourbon restoration.



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