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	Carl Gustaf Mosander Summary
		Mosander was born in Kalmar, Sweden, on September 10, 1797.
		Eventually, Mosander became curator of minerals at the Academy and, in 1832, succeeded Berzelius as Permanent Secretary of the Academy.
		Carl Gustaf Mosander (Kalmar 10 September 1797 – Lovö, Stockholm County 15 October, 1858) was a Swedish chemist.
	www.bookrags.com /Carl_Gustaf_Mosander (981 words)

	Carl Gustaf Hotel
		Carl Gustaf was born near Uppsala and at the age of twenty distinguished himself as a cavalry captain in the war against the Army of the League.
		Wrangel, Carl Gustaf Wrangel, Carl Gustaf Wrangel, Carl Gustaf Wrangel, Carl Gustaf de:Carl Gustav Wrangel fi:Carl Gustaf Wrangel sv:Carl Gustaf Wrangel
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	www.artistbooking.com /trips/32/carl-gustaf-hotel.html (1127 words)

	Didymium - Wikipedia, the free encyclopedia
		"twin element") was discovered by Carl Mosander in 1841 and was so named because it is very similar to lanthanum, with which it was found.
		Mosander wrongly believed didymium to be an element, under the impression that "ceria" (sometimes called cerite) isolated by Jöns Jakob Berzelius in 1803 was really a mixture of cerium, lanthanum and didymium.
		In 1885 Carl Auer von Welsbach discovered that didymium was really a mixture of the elements praseodymium and neodymium.
	en.wikipedia.org /wiki/Didymium (198 words)

	de Bettencourt-Dias group - History (Site not responding. Last check: 2007-10-15)
		Carl Axel Arrhenius, a Swedish artillery officer and amateur geologist, discovered a new mineral which he called ytterbite, as it was found in Ytterby, Sweden.
		Carl Gustaf Mosander isolated lanthanum (from the Greek lanthanein: to escape notice) and ‘didymium’ (from the Greek didumos: twin, as its properties are very similar to lanthanum).
		Carl Auer von Welsbach, in Robert Bunsen's laboratory, noticed that the rare earths displayed bright light in the burner flame and developed the lace gas mantle, which is composed of thorium oxide with small amounts of cerium oxide.
	www-che.syr.edu /faculty/debettencourtdias_group/f_history.htm (777 words)

	57 Lanthanum
		Lanthanum was discovered in 1839 by Carl Gustav Mosander (1797-1858), since 1832 professor of chemistry and mineralogy at the Caroline Institute in Stockholm, as successor of Jöns Jakob Berzelius (1779-1848).
		In 1825, Berzelius has asked Mosander to prepare Cerium sulphide and it was during the course of this work that Mosander became convinced that this oxide contained another earth (oxide) (Cf.
		Mosander withheld publication frustrating Berzelius and Wöhler, while continuing his efforts at purification.
	www.vanderkrogt.net /elements/elem/la.html (456 words)

	Learn more about Discoveries of the chemical elements in the online encyclopedia. (Site not responding. Last check: 2007-10-15)
		The next element discovered when Mosander showed that the cerium isolated in 1803 by Berzelius was actually a mixture of cerium, lanthanum and so-called didymium (which was not actually one element, and was resolved into two in 1885).
		A number of elements were first identified by their spectroscopic emission lines: caesium and rubidium were discovered by Bunsen and Kirchhoff analysing the spectrum of alkali salts.
		The 'didymium' isolated by Mosander in 1839 was shown to actually be two separate elements, praseodymium and neodymium:
	onlineencyclopedia.org /d/di/discoveries_of_the_chemical_elements.html (1207 words)

	59 Praseodymium
		Mosander did not wanted to announce his new "discovery" prematurely, but since Theodor Scheerer (1813-1875) in Norway was analyzing gadolinite and could conclude the same thing, Mosander presented his observation at the Scandinavian Meeting of Natural Scientists in Stockholm in July 1842.
		Also is said that he thought it had been given because Mosander had four children, all born as twins.
		However, Mosander did not want to change it, since he intentionally looked for a name beginning with D in order to have a symbol unlike those for other metals.
	elements.vanderkrogt.net /elem/pr.html (564 words)

	65 Terbium
		Mosander has separated yttria into three earths, a colorless oxide which kept the name yttria; a yellow earth erbia, and a rosy earth terbia, containing the elements Yttrium, Terbium, and Erbium.
		It is also said that since the original earth was divided into three new earths, Mosander split the name of Ytterby in three parts: ytt, terb, and erb.
		Mosander's original erbia was confirmed by Marc Delafontaine in 1878 and, renamed terbia, since the name erbia was already common for Mosander's terbia.
	elements.vanderkrogt.net /elem/tb.html (607 words)

	Carl Gustaf Mosander - Wikipedia, the free encyclopedia
		Carl Gustaf Mosander (Kalmar 10 September 1797 – Lovö, Stockholm County 15 October 1858) was a Swedish chemist.
		Mosander went to school in Kalmar until he moved to Stockholm with his mother at age 12.
		There he became an apprentice at the Ugglan pharmacy.
	en.wikipedia.org /wiki/Carl_Gustaf_Mosander (185 words)

	Discoveries of the chemical elements - Questionz.net , answers to all your questions (Site not responding. Last check: 2007-10-15)
		The element was discovered nearly simultaneously in two laboratories, though it was later shown that Berzelius and Hisinger's cerium was actually a mixture of cerium, lanthanum and didymium.
		Lanthanum1839-41 Carl Mosander Terbium 1843 Carl Mosander Erbium 1843 Carl Mosander Ruthenium1844 Karl Klaus Spectroscopic discoveries A number of elements were first identified by their spectroscopic emission lines: caesium and rubidium were discovered by Bunsen and Kirchhoff analysing the spectrum of alkali salts.
		The unknown element with blue emission lines was named caesium; in purifying the salts of this new element, another element was discovered with a red emission line; this was called rubidium..
	www.questionz.net /Chemistry/Discovery_of_the_chemical.html (935 words)

	Discoveries of the chemical elements (Site not responding. Last check: 2007-10-15)
		At this point Sir Humphry Davy pioneered the use of electricity from the Voltaic pile to decompose the salts of alkali and so a number of thse metals first prepared as the pure element: the of the field of electrochemistry.
		The next element discovered when Mosander showed the cerium isolated in 1803 by Berzelius was actually a mixture cerium lanthanum and so-called didymium (which was actually one element and was resolved into in 1885).
		The 'didymium' isolated by Mosander in 1839 was shown to actually be two elements praseodymium and neodymium:
	www.freeglossary.com /Discovery_of_the_chemical_elements (1392 words)

	Constructed Names, page 1 of 2
		Carl Gustav Mosander (1797 - 1858, at right), an assistant of Berzelius, lived the house with Berzelius and his wife for years.
		In 1843 he further showed that yttria from which all the ceria, lanthana, and didymia had been removed, still contained at least three other earths, a colorless oxide for which he kept the name yttria, a yellow earth erbia, and a rose-colored terbia.
		Carl Auer was a quiet, industrious, unsociable boy from Austria who became a favorite student of Bunsen in Heidelberg.
	homepage.mac.com /dtrapp/Elements/combination.html (2443 words)

	Chemical Element: lanthanum (Modern Latin: chemical element; from Greek, lanthanein, "hidden", "to be ...
		Discovered by: Carl Gustaf Mosander (1797-1858), a Swedish chemist.
		Carl Mosander recognized the element lanthanum in impure cerium nitrate in 1839.
		While studying a compound of cerium, he found a new element which he named lanthanum from a Greek word meaning “hidden”, because it had been hidden so effectively in those minerals.
	www.wordinfo.info /words/index/info/view_unit/3117/?letter=C&spage=11 (373 words)

	Chemical Elements words: erbium to hydrogen, part 3 of 8.
		In 1842, Gustav Mosander separated yttria, found in the mineral gadolinite, into three fractions which he called yttria, erbia, and terbia.
		After 1860, Mosander’s terbia was known as erbia, and after 1877, the earlier known erbia became terbia.
		The erbia of this period was later shown to consist of five oxides, now known as erbia, scandia, holmia, thulia and ytterbia.
	www.wordquests.info /htm/L-Gk-chem-elem-Pt-3.htm (2398 words)

	It's Elemental - The Element Erbium
		In 1843, Carl Gustaf Mosander, a Swedish chemist, was able to separate gadolinite into three materials, which he named yttria, erbia and terbia.
		As might be expected considering the similarities between their names and properties, scientists soon confused erbia and terbia and, by 1877, had reversed their names.
		Erbia, the renamed material that Mosander discovered in 1843, is erbium oxide (Er), one of erbium's compounds.
	education.jlab.org /itselemental/ele068.html (201 words)

	Rare Earth Details
		Lanthanum was discovered by the Swedish chemist Carl Gustav Mosander in 1839.
		It burns in air at about 450° C (about 842° F) to form lanthanum oxide, La It forms colorless trivalent salts, including one of the strongest trivalent bases, which is used by analytical chemists.
		Yttrium was isolated by the Swedish chemist Carl Gustav Mosander in 1843.
	www.candldevelopment.com /rare_earth_detail.htm (1787 words)

	A Brief Chronology of Radiation and Protection
		1774 Chlorine discovered by Carl Wilhelm Scheele (Sweden).
		1778 Molybdenum discovered by Carl Wilhelm Scheele (Sweden).
		1932 (Aug 2) Carl Anderson using a specially prepared cloud chamber discovers a particle with the same mass and opposite charge as an electron (positron) in cosmic rays.
	www.roadtechs.com /rpchron.htm (20781 words)

	This Week in the History of Chemistry (Site not responding. Last check: 2007-10-15)
		Carl Mosander born 1797: discovery of erbium (Er, element 68), lanthanum (La, 57), terbium (Tb, 65); discovered "didymium" (later resolved into neodymium and praseodymium)
		Carl Shipp ("Speed") Marvel born 1894: organic chemist; polymer synthesis
		Surveyor 5 lands on the moon, 1967, and begins elemental analysis of surface.
	web.lemoyne.edu /~giunta/week.html (804 words)

	Chemistry : Periodic Table : lanthanum : historical information
		From the Greek word "lanthanein" meaning "to lie hidden"
		Carl Gustav Mosander recognized the element lanthanum in impure cerium nitrate in 1839.
		His extraction resulted in the oxide lanthana (La A number of other lanthanides (rare-earths) were later discovered by identification of the impurities in yttrium and cerium compounds.
	www.webelements.com /webelements/elements/text/La/hist.html?vo=1 (153 words)

	World Wide Words: The Great Element Chase
		So there were now two very similar earths, yttria and ceria, from neither of which could the metals be extracted by the techniques of the time.
		Isolation of the element in ceria had to wait until the late 1830s, when Carl Mosander (a pupil of Berzelius’) managed to decompose the oxide using potassium vapour (a procedure to be watched from a distance, in my view).
		By the usual convention, the element he obtained became known as
	www.worldwidewords.org /articles/lanthanide.htm (1190 words)

	Seitseman Veljesta by Aleksis Kivi, Markus Heikkero, Seppo Holopainen, Carl Mosander - 9519951512
		Seitseman Veljesta by Aleksis Kivi, Markus Heikkero, Seppo Holopainen, Carl Mosander - 9519951512
		Aleksis Kivi, Markus Heikkero, Seppo Holopainen, Carl Mosander
		Add this book to your wish list
	www.allbookstores.com /book/9519951512 (70 words)

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