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Scheele, Carl

Since its discovery, scandium has been found only in several rare minerals. It is found in highest concentration in the Norwegian mineral thortveitite (35-40% scandium). Its abundance in Earth s crust is a point of conjecture it is generally agreed that scandium occurs in greater abundance in the Sun and certain stars. [Pg.108]

Kilbourn, Barry T. (1993-1994). A Lanthanide Lanthology A Collection of Notes Concerning the Lanthanides and Related Elements. White Plains, NY Molycorp. [Pg.108]

Swedish chemist Carl Wilhelm Scheele, who discovered oxygen with Joseph Priestley and Antoine-Laurent Lavoisier. [Pg.108]

Scheele, Carl Wilhelm. Alchemical and chemical symbols used by Scheele (18th Cent). Ihttp //levitv.com/alchemv/ scheele htmll. [Pg.435]

Scheele, Carl, 24, 25, 26 Schrodinger, Edwin, 40 Schweppe, Jacob, 23 Seaborg, Glenn, 69 Seiberling, Charles, 304 Seiberling, Frank A., 304 Sennert, Daniel, 18... [Pg.367]

Gadolin added to the university s reputation, and when offered a chair at the university of Gottingen in Germany, he declined. Gadolin took part in the collective life of his motherland. Johan Gadolin is part of the Finnish national identity, see also Erbium Gadolinium Lanthanides Minerals Scheele, Carl Yttrium. [Pg.131]

Regioselectivity in the formation of regioisomers is also observed in electrophilic aromatic substitution reactions. In the case of monosubstituted benzene derivatives, there are three possible regiosomeric products that form at different rates, based on the mechanism of the reaction (see Figure 13). see also Berzelius, Jons Jakob Chirality Dalton, John Davy, Humphry Molecular Structure Scheele, Carl Wohler, Friedrich. [Pg.261]

Scheele, Carl Wilhelm. The Discovery of Oxygen. Part II. Oliver and Boyd, Edinburgh. 1923. [Pg.503]

Molybdenum s melting point (2,623°C, or 4,753.4°F) exceeds that of steel by 1,000°C (1,832°F) and that of most rocks by 500°C (932°F). For this reason, the element is used in various alloys to improve strength, particularly at high temperatures. Approximately 75 percent of molybdenum produced is used by the iron and steel industries. The element is also utilized to make parts for furnaces, light bulbs, missiles, aircraft, and guns. Molybdenum disulfide is used as a high temperature lubricant, see also Coordination Compounds Inorganic Chemistry Scheele, Carl. [Pg.818]

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