Claude geoffroy the younger biography samples full

Botanist chemist pharmacist scientist.

Claude geoffroy the younger biography samples full: Geoffroy the Younger (le

Claude Geoffroy was born on August 8, , in Paris, France. Claude studied botany under Joseph Pitton de Tournefort. He qualified as an apothecary in In he attained the title of alderman in Paris. In Geoffroy, who had studied botany under J. He was already interested in chemistry and in his first research tried to find a chemical explanation of the colors of plants.

He discovered that the oil obtained by macerating and distilling thyme reacted with vinegar, potash, and other substances of vegetable origin to form colors similar to those in flowers and leaves and this supported the belief that plants consisted of a limited number of principles combined in different ways and obtainable by simple processes such as distillation and fermentation.

After publishing a few botanical papers, Geoffroy transferred to the chemical section of the Academy in Much of his subsequent research arose from his pharmaceutical work, a good example being his discovery that sedative salt, a medicament normally prepared in small quantities by subliming a mixture of borax and iron vitriol, could be made on a larger scale by treating borax with diluted oil of vitriol and crystallizing it.

Claude Geoffroy was an eminent botanist and chemist.