Citizendia

Étienne François Geoffroy - French chemist.
Étienne François Geoffroy - French chemist.

Étienne François Geoffroy (February 13, 1672 - January 6, 1731), French physician and chemist, best known for his 1718 affinity tables. Events 1258 - Baghdad falls to the Mongols, and the Abbasid Caliphate is destroyed Events 1066 - Harold Godwinson is crowned King of England. 1205 - Philip of Swabia becomes King Year 1731 ( MDCCXXXI) was a Common year starting on Monday (link will display the full calendar of the Gregorian calendar (or a Common year Legal residents and citizens To be French according to the first article of the Constitution is to be a citizen of France regardless of one's origin race or religion ( A physician, medical practitioner or medical doctor who practices Medicine, and is concerned with maintaining or restoring human Health A chemist is a Scientist trained in the Science of Chemistry. He first contemplated a career as an apothecary, but then decided to practice medicine. He is sometimes known as Geoffroy the Elder.

Contents

Biography

He was born in Paris. Paris (ˈpærɨs in English; in French) is the Capital of France and the country's largest city After studying at Montpellier he accompanied Marshal Tallard on his embassy to London in 1698 and thence travelled to the Netherlands and Italy. The University of Montpellier (Université Montpellier was a French University in Montpellier in the Languedoc-Roussillon région Camille d'Hostun de la Baume duc de Tallard ( 14 February, 1652 – 20 March, 1728) was a French noble diplomatist and military The Netherlands ( Dutch:, ˈnedərlɑnt is the European part of the Kingdom of the Netherlands, which consists of the Netherlands the Netherlands Italy (Italia officially the Italian Republic, (Repubblica Italiana is located on the Italian Peninsula in Southern Europe, and on the two largest Returning to Paris he became professor of chemistry at the Jardin du Roi and of pharmacy and medicine at the Collège de France, and dean of the faculty of medicine. The Jardin des Plantes is the main Botanical garden in France. Pharmacy (from the Greek φάρμακον 'pharmakon' = drug is the Health profession that links the Health sciences with the chemical sciences The Collège de France is a higher education and research establishment ( Grand établissement) located in Paris, France, in the 5th arrondissement He died in Paris on the 6th of January 1731.

His brother Claude Joseph, known as Geoffroy the younger, was also a chemist. Claude Joseph Geoffroy (1685–1752 was the brother of Étienne François Geoffroy.

Works

His name is best known in connection with his tables of "affinities" (tables des rapports), which he presented to the French Academy in 1718 and 1720. In Chemical physics and Physical chemistry, chemical affinity can be defined as electronic properties by which dissimilar Chemical species are capable of L'Académie française, or the French Academy, is the pre-eminent French learned body on matters pertaining to the French language. Year 1718 ( MDCCXVIII) was a Common year starting on Saturday (link will display the full calendar of the Gregorian calendar (or a

Geoffroy's Affinity Table (1718): At the head of the column is a substance with which all the substances below can combine.
Geoffroy's Affinity Table (1718): At the head of the column is a substance with which all the substances below can combine.

These were lists, prepared by collating observations on the actions of substances one upon another, showing the varying degrees of affinity exhibited by analogous bodies for different reagents, and they retained their vogue for the rest of the century, until displaced by the profounder conceptions introduced by CL Berthollet. A reagent or reactant is a substance or compound consumed during a Chemical reaction. Claude Louis Berthollet ( December 9, 1748 &ndash November 6, 1822) was a Savoyard Chemist who "became vice president

Another of his papers dealt with the delusions of the philosopher's stone, but nevertheless he believed that iron could be artificially formed in the combustion of vegetable matter. The philosopher's stone (lapis philosophorum Greek: Chrysopoeia) is a Legendary substance supposedly capable of turning inexpensive Metals Iron (ˈаɪɚn is a Chemical element with the symbol Fe (ferrum and Atomic number 26 His Tractatus de materia medico, published posthumously in 1741, was long celebrated.

References

See also

In Chemical physics and Physical chemistry, chemical affinity can be defined as electronic properties by which dissimilar Chemical species are capable of Pharmacy (from the Greek φάρμακον 'pharmakon' = drug is the Health profession that links the Health sciences with the chemical sciences Pharmacists are Health professionals who practice the art and science of Pharmacy. The School of Pharmacy is a constituent college of the University of London.
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