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Enantiomeric excess is defined as the absolute difference between the mole fraction of each enantiomer: [1] where. In practice, it is most often expressed as a percent enantiomeric excess. (1) The enantiomeric excess can be determined in another way if we know the amount of each enantiomer produced. If one knows the moles of each enantiomer ...
Doctor Sweetening Process; version as patented by Kalinowsky (1954) The doctor sweetening process is an industrial chemical process for converting mercaptans in sour gasoline into disulfides. Sulfur compounds darken gasoline, give it an offensive odor and increase toxic sulfur dioxide engine emissions. [1] However, this process only reduces the ...
The Griess test is an analytical chemistry test which detects the presence of nitrite ion in solution. One of its most important uses is the determination of nitrite in drinking water. The Griess diazotization reaction, on which the Griess reagent relies, was first described in 1858 by Peter Griess. [1][2] The test has also been widely used for ...
Linus Carl Pauling FRS (/ ˈpɔːlɪŋ / PAW-ling; February 28, 1901 – August 19, 1994) [ 4 ] was an American chemist, biochemist, chemical engineer, peace activist, author, and educator. He published more than 1,200 papers and books, of which about 850 dealt with scientific topics. [ 5 ] New Scientist called him one of the 20 greatest ...
Glenn Theodore Seaborg (/ ˈsiːbɔːrɡ / SEE-borg; April 19, 1912 – February 25, 1999) was an American chemist whose involvement in the synthesis, discovery and investigation of ten transuranium elements earned him a share of the 1951 Nobel Prize in Chemistry. [ 3 ] His work in this area also led to his development of the actinide concept ...
James Bryant Conant (March 26, 1893 – February 11, 1978) was an American chemist, a transformative President of Harvard University, and the first U.S. Ambassador to West Germany. Conant obtained a Ph.D. in chemistry from Harvard in 1916. During World War I, he served in the U.S. Army, where he worked on the development of poison gases ...
Robert Boyle FRS [2] (/ b ɔɪ l /; 25 January 1627 – 31 December 1691) was an Anglo-Irish [3] natural philosopher, chemist, physicist, alchemist and inventor. Boyle is largely regarded today as the first modern chemist, and therefore one of the founders of modern chemistry, and one of the pioneers of modern experimental scientific method.
Antoine-Laurent de Lavoisier (/ l ə ˈ v w ɑː z i eɪ / lə-VWAH-zee-ay; [1] [2] [3] French: [ɑ̃twan lɔʁɑ̃ də lavwazje]; 26 August 1743 – 8 May 1794), [4] also Antoine Lavoisier after the French Revolution, was a French nobleman and chemist who was central to the 18th-century chemical revolution and who had a large influence on both the history of chemistry and the history of biology.
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