Claude Louis Berthollet, French chemist

Claude Louis Berthollet, French chemist

H402/0207 Rights Managed

Request low-res file

530 pixels on longest edge, unwatermarked

Request/Download high-res file

Uncompressed file size: 51.2MB

Downloadable file size: 3.4MB

Price image Pricing

Please login to use the price calculator


Credit: SCIENCE PHOTO LIBRARY

Caption: Claude Berthollet. Portrait of Comte Claude Louis Berthollet (1748-1822), French chemist. Originally a physician, he moved to chemistry and became an early supporter of Lavoisier's ideas. His research examined the nature of ammonia, the sulphides of hydrogen, hydrogen cyanide, and cyanogen chloride, and the reactions of chlorine. He deduced that some acids do not contain oxygen. He discovered potassium chlorate, but his use of it in gunpowder destroyed a powder mill in 1788. His work on bleaching fabrics with chlorine, and on dyes and steel-making, was more successful. Berthollet was a friend of Napoleon, but in 1814 he helped depose the Emperor 'for the good of France'.

Release details: Model release not available. Property release not required.

Keywords: ammonia, berthollet, bleach, chemist, chlorine reactions, claude, claude louis, cyanogen chloride, discoverer, fabrics, hydrogen cyanide, portraits, potassium chlorate, researcher, surname b

Licence fees: A licence fee will be charged for any media (low or high resolution) used in your project.