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Topic: Karl Scheele


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  Carl Wilhelm Scheele - Wikipedia, the free encyclopedia
Carl Wilhelm Scheele, (December 9, 1742 - May 21, 1786) a Swedish chemist, born in Stralsund, Pomerania, Germany (back then a Swedish province), was the discoverer of many chemical substances, most notably discovering oxygen before Joseph Priestley.
Scheele worked as a pharmacist in Stockholm, from 1770 to 1775 in Uppsala, and later in Köping.
Scheele also discovered other chemical elements such as barium (1774), chlorine (1774), manganese (1774), molybdenum (1778), and tungsten (1781), as well as several chemical compounds, including citric acid, glycerol, hydrogen cyanide (also known, in aqueous solution, as prussic acid), hydrogen fluoride, and hydrogen sulfide.
en.wikipedia.org /wiki/Carl_Wilhelm_Scheele   (254 words)

  
 Carl Wilhelm Scheele
Carl (or Karl) Wilhelm Scheele, (December 9, 1742 - May 21, 1786) Swedish chemist, born in Stralsund, Pomerania, Germany, was the discoverer of many chemical substances, most notably discovering oxygen before Joseph Priestley.
Scheele worked as a pharmacist in Stockholm, from 1770-1775 in Uppsala, and later in Köping.
Scheele also discovered other chemical elements like chlorine (1774), manganese (1774), molybdenum (1778), tungsten (1781), and barium, as well as several molecules like glycerol, hydrogen cyanide (aka prussic acid), citric acid, hydrogen sulphide, and hydrogen fluoride[?].
www.ebroadcast.com.au /lookup/encyclopedia/ka/Karl_Scheele.html   (182 words)

  
 KARL WILHELM SCHEELE - LoveToKnow Article on KARL WILHELM SCHEELE
Bergman somehow neglected it, and this caused for a time a reluctance on Scheeles part to become acquainted with that savant, but the paper, through the instrumentality of Anders Johann Retzius (1742-1821), was ultimately communicated to the Academy of Sciences at Stockholm.
Scheeles power as an experimental investigator has seldom if ever been surpassed, and his accuracy is most remarkable when his primitive apparatus, his want of assistance, his place of residence, and the undeveloped state of chemical and physical science in his time, are all taken into account.
The analysis of manganese dioxide in 1774 led him to the discovery of chlorine and baryta; to the description of various salts of manganese itself, including the manganates and permanganates, and to the explanation of its action in coloring and decolourizing glass.
www.1911encyclopedia.org /S/SC/SCHEELE_KARL_WILHELM.htm   (1099 words)

  
 A History of Science Volume IV - Part V   (Site not responding. Last check: 2007-11-05)
But although Scheele first pointed out the bleaching quality of his newly discovered gas, it was the French savant, Berthollet, who, acting upon Scheele's discovery that the new gas would decolorize vegetables and flowers, was led to suspect that this property might be turned to account in destroying the color of cloth.
Until the time of Scheele the great subject of organic chemistry had remained practically unexplored, but under the touch of his marvellous inventive genius new methods of isolating and studying animal and vegetable products were introduced, and a large number of acids and other organic compounds prepared that had been hitherto unknown.
Scheele not only made the discoveries, but told the world how he had made them--how any chemist might have made them if he chose--for he never considered that he had really discovered any substance until he had made it, decomposed it, and made it again.
www.worldwideschool.org /library/books/sci/history/AHistoryofScienceVolumeIV/chap7.html   (1347 words)

  
 Carl Wilhelm Scheele nitrogen glycerol oxygen Scheelite Stockholm hydrogen cyanide chemist chlorine hydrogen sulfide ...   (Site not responding. Last check: 2007-11-05)
Carl Wilhelm Scheele nitrogen glycerol oxygen Scheelite Stockholm hydrogen cyanide chemist chlorine hydrogen sulfide Joseph Priestley
Carl Wilhelm Scheele, (December 9,1742 - May 21, 1786) a Swedish chemist, born in Stralsund, Pomerania, Germany (back then a Swedish province), was the discoverer of many chemical substances, most notably discovering oxygen before Joseph Priestley.
Scheele worked as a pharmacist in Stockholm, from 1770 to 1775 in Uppsala, and later in K?g.
en.powerwissen.com /xzbmdrmq4RcvNDJpYPmBlA%3D%3D_Karl_Wilhelm_Scheele.html   (282 words)

  
 Karl Wilhelm Scheele - Wikipedia
Karl (or Carl) Wilhelm Scheele, Swedish chemist, discoverer of many chemical substances.
Scheele also discovered other chemical elements like chlorine (1774), manganese (1774), tungsten (1781), barium, and molybdenum (1782), as well as several molecules like glycerol, hydrocyanic acid (aka prussic acid), citric acid, hydrogen sulphide, and hydrogen fluoride.
As many chemists in his time, Scheele often worked under difficult and often dangerous conditions, which might explain his early death.
nostalgia.wikipedia.org /wiki/Karl_Wilhelm_Scheele   (177 words)

  
 Scheele, Karl Wilhelm   (Site not responding. Last check: 2007-11-05)
In the book Abhandlung von der Luft und dem Feuer/Experiments on Air and Fire 1777, Scheele argued that the atmosphere was composed of two gases.
Scheele was born in Stralsund, Pomerania (now in Germany).
Scheele's discoveries include arsenic acid, benzoic acid, calcium tungstate (scheelite), citric acid, copper arsenite (Scheele's green), glycerol, hydrogen cyanide and hydrocyanic acid, hydrogen fluoride, hydrogen sulphide, lactic acid, malic acid, manganese, nitrogen, oxalic acid, permanganates, and uric acid.
www.cartage.org.lb /en/themes/Biographies/MainBiographies/S/Scheele/1.html   (225 words)

  
 Scheele   (Site not responding. Last check: 2007-11-05)
"Scheele" is a common misspelling or typo for: Scheme, Steele, Steeled, Stele.
Synonyms: Karl Scheele (n), Karl Wilhelm Scheele (n).
English words defined with "Scheele": Joseph Priestley ♦ Karl Scheele, Karl Wilhelm Scheele ♦ Priestley.
www.websters-online-dictionary.org /Sc/Scheele.html   (542 words)

  
 KARL
Karl - the ancestor of the peasants according to to Norse mythology
In Norse mythology, Karl ("churl") was a son of Amma and Rig.
Karl and Kevin Rozelsky, meet at the Pentagon to be pinned-on by the Air Force chief of staff.
www.websters-online-dictionary.org /definition/english/KA/KARL.html   (1427 words)

  
 Diagrams Page   (Site not responding. Last check: 2007-11-05)
Swedish chemist Karl Wilhelm Scheele advances the concept of oxygen (atomic number 8) two years before the English chemist Joseph Priestley.
Swedish chemist Karl Wilhelm Scheele describes his experiment for producing oxygen—in Air and Fire—and claims that air is a mixture of oxygen and nitrogen.
Swedish chemist Karl Wilhelm Scheele discovers that silver nitrate, when exposed to light, results in a flening effect, an important discovery for the development of photography.
www.fofweb.com /Subscription/Science/Timeline.asp?SID=2&Topic=Chemistry   (5648 words)

  
 The History of Chlorine   (Site not responding. Last check: 2007-11-05)
Chlorine was discovered by Karl Wilhelm Scheele, a Swedish chemist, in 1774.
Scheele thought that chlorine was an oxide of murium, or hydrochloric acid.
Scheele heated manganese dioxide and hydrochloric acid and discovered this greenish, yellow gas.
web1.caryacademy.org /chemistry/rushin/StudentProjects/ElementWebSites/chlorine/historycl.htm   (136 words)

  
 Carl Wilhelm Scheele : Karl Scheele   (Site not responding. Last check: 2007-11-05)
terms defined : Carl Wilhelm Scheele : Karl Scheele
All is still licensed under the GNU FDL.
We'll get the store piece of cake." Nora, good-natured as she always was, gave Ted a nice lot of broken play store and really eat the things they sold.
www.termsdefined.net /ka/karl-scheele.html   (351 words)

  
 Famous Scientists
Karl Wilhelm Scheele (1742-1786) - Scheele was a pharmacist-chemist famous for discovering chlorine.
Scheele is also famous for finding many different acids, all organic.
Werner Karl Heisenberg (1901-1976) - German physicist; published the first theory of quantum mechanics (1925); postulated the "uncertainty principle (1927); received Nobel Prize for physics (1932).
www.3rd1000.com /elements/history.htm   (3728 words)

  
 Karl Wilhelm Scheele Encyclopedia Article, Definition, History, Biography   (Site not responding. Last check: 2007-11-05)
Karl Wilhelm Scheele Encyclopedia Article, Definition, History, Biography
Looking For karl wilhelm scheele - Find karl wilhelm scheele and more at Lycos Search.
Find karl wilhelm scheele - Your relevant result is a click away!
www.karr.net /search/encyclopedia/Karl_Wilhelm_Scheele   (452 words)

  
 Biography of Scheele   (Site not responding. Last check: 2007-11-05)
The image at the right is from a medal struck in Scheele's honor by the Academy of Sciences three years after his death.
The reason for this is that there was for years no known authentic likeness of Scheele.
However, a small painting of Scheele as a young man was finally discovered in 1929.
genchem.chem.wisc.edu /lab/PTL/PTL/BIOS/scheele.htm   (140 words)

  
 Karl William Scheele ( 1742 - 86 )   (Site not responding. Last check: 2007-11-05)
Swedish chemist Karl Wilhelm Scheele discovered "fire air" [oxygen] before Priestley's discovery of "dephlogisticated air" [oxygen].
The author of Chemische Abhandlung von der Luft und dem Feuer [Chemical Treatise on Air and Fire](1777), Scheele also discovered chlorine, tartaric acid, the sensitivity of silver compounds to light, and the oxidation of metals.
Scheele died prematurely owing to his habit of inhaling toxic vapours of the agents he investigated.
www.anaesthetized.com /images/scheele.html   (67 words)

  
 Oxygen   (Site not responding. Last check: 2007-11-05)
Oxygen gas was discovered by Swedish pharmacist, Karl Scheele in 1771.
Oxygen is prepared in fundamental chemistry using the same process Scheele, Priestley and Lavoisier (who named the element) employed.
Comprising 87 percent of the oceans, one fifth of the atmosphere and six out of ten atoms on the crust, oxygen is the most abundant element on the surface of the earth.
chemlab.pc.maricopa.edu /periodic/O.html   (93 words)

  
 AllRefer.com - Karl Wilhelm Scheele (Chemistry, Biography) - Encyclopedia   (Site not responding. Last check: 2007-11-05)
AllRefer.com - Karl Wilhelm Scheele (Chemistry, Biography) - Encyclopedia
Karl Wilhelm Scheele[kArl vil´helm shA´lu] Pronunciation Key, 1742–86, Swedish chemist, b.
He is known as the discoverer of many chemical substances.
reference.allrefer.com /encyclopedia/S/Scheele.html   (232 words)

  
 Encyclopedia: Karl Scheele   (Site not responding. Last check: 2007-11-05)
Updated 262 days 23 hours 56 minutes ago.
Scheele also discovered other chemical elements such as barium (1774), chlorine (1774), manganese (1774), molybdenum (1778), and tungsten (1781), as well as several chemical compounds, including citric acid, glycerol, hydrogen cyanide (also known as prussic acid), hydrogen fluoride, and hydrogen sulfide.
Click for other authoritative sources for this topic (summarised at Factbites.com).
www.nationmaster.com /encyclopedia/Karl-Scheele   (236 words)

  
 Popular Science Feature - Killer Wallpaper
The arsenic pigments Scheele’s green and Emerald green, the mercurial vermilion, green lead chromate, cadmium yellow, arsenical Naples ’s yellow, the cyanide salt Prussian blue, were the staple colours used to brighten up the Georgian and Victorian home.
A campaign was run by the Lancet to banish arsenic greens — copper arsenite (Scheele’s green) and copper aceto arsenite (Emerald green)—as many illnesses and deaths were attributed to rooms wallpapered with arsenic stained papers.
Arsenic greens were first synthesised in 1778 by the renowned Swedish chemist Karl Scheele —the discoverer of oxygen (independently from Joseph Priestly).
www.popularscience.co.uk /features/feat17.htm   (1530 words)

  
 Occult Dynamics (103 of 103)   (Site not responding. Last check: 2007-11-05)
Lavoisier called it oxygen, which means "acid generator," because he believed it erroneously to be an essential part of every acid.
Not only did Scheele discover oxygen, but he also discovered chlorine, arsenic, and the tartaric, oxalic, and prussic acids.
These achievements are recognized; but, in the case of phlogiston, modern science prefers to follow Lavoisier in disbelieving Stahl and Scheele.
www.wisdomworld.org /additional/ScienceAndTheSecretDoctrine/SeriesNumber103-of-103.html   (1203 words)

  
 Karl Wilhelm Scheele Biography / Biography of Karl Wilhelm Scheele Biographies
Karl Wilhelm Scheele Biography / Biography of Karl Wilhelm Scheele Biographies
All biographies listed are included in the Karl Wilhelm Scheele Biography Pass.
Each Biography is written by a biographical expert or professional educator and is a complete resource on the individual.
www.bookrags.com /biography/karl-wilhelm-scheele   (136 words)

  
 Ammonia miscible NIOSH urine distillation nitrite density hydrofluoric acid Texas City, Texas sodium Claude Louis ...   (Site not responding. Last check: 2007-11-05)
Gaseous ammonia was first isolated by J. Priestley in 1774 and was termed by him "alkaline air".
In 1777 Karl Wilhelm Scheele showed that it contained nitrogen, and Claude Louis Berthollet, in about 1785, ascertained its composition.
The Haber process to produce ammonia from the nitrogen contained in the air was developed by Fritz Haber and Carl Bosch in 1909 and patented in 1910.
en.powerwissen.com /XOZrUutkqVrYZvNbeWZviQ%3D%3D_Ammonia.html   (3042 words)

  
 Notable Chemists @ onebraincell.com   (Site not responding. Last check: 2007-11-05)
Carl (or Karl) Wilhelm Scheele, (December 9, 1742 - May 21, 1786) a Swedish chemist, born in Stralsund, Pomerania, Germany, was the discoverer of many chemical substances, most not...
Karl Barry Sharpless (born April 28, 1941) won the Nobel Prize in Chemistry in 2001 for his work on chirally catalysed oxidation reactions (Sharpless epoxidation, Sharpless bishydroxylat...
Kurt Wüthrich (born October 4, 1938) is a Swiss chemist and Nobel laureate.
www.onebraincell.com /picmo_506_dir.html   (2394 words)

  
 Poisoned Wallpaper   (Site not responding. Last check: 2007-11-05)
Its use in wallpaper and paint was particularly popular, not least in a pale green shade that had caught on in the mid-1860s.
Here, arsenite of copper was not just a constituent of the dye but the dye itself, and became known, after its Swedish inventor, as Scheele's Green (Karl Wilhelm Scheele was one of the greatest experimental chemists of the eighteenth century, responsible for groundbreaking work on oxygen and other gases and acids).
At Guy's Hospital in London a surgeon had been presented with many patients suffering from sore eyelids and lips and lung and throat complaints, and he was the first to isolate a univerul cause.
www.victorianweb.org /science/health/mauve1.html   (294 words)

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