(1999) History of Yttrium and Scandium. Scandium metal found in rare minerals called Wolframite . 1.3.1 Who Discovered. 1.3 History. Scandium is more common in the sun and certain stars than on Earth. SCANDIUM (REVISED) Note: This article, originally published in 1998, was updated in 2006 for the eBook edition. The book covers the discovery and history of scandium, its abundance in rock-forming minerals and common type rocks, and its derivation, extraction, and preparation. 2. With a cost of $270 per gram ($122,500 per pound), scandium is too expensive for widespread use. 1. Scandium is a chemical element with the symbol Sc and atomic number 21. Dilute Scandium sulfate is commonly used in agricultural purpose for seed treatments to improve the germination of seeds (such as corn, peas, and wheat). Overview The existence of scandium was predicted nearly ten years before it was actually discovered. Found in Minerals, Mining, Ores of metals, Ores of Minerals. In: Biochemistry of Scandium and Yttrium, Part 1: Physical and Chemical Fundamentals. Nilson was studying the rare earth elements, attempting to isolate ytterbium from the minerals euxenite and gadolinite.. Part of Nilson’s method required the preparation of erbia (erbium oxide) from the minerals, which was then reacted to form erbium nitrate. Twenty-five radioisotopes have been characterized, with the most stable being 46 Sc with a half-life of 83.8 days, 47 Sc with a half-life of 3.35 days, and 48 Sc with a half-life of 43.7 hours and 44 Sc with a half-life of 3.97 hours. Scandium has a vast history and an array of applications. Metallic scandium was first produced in 1937 and the first pound (0.45 kilograms) of pure scandium was produced in 1960. Horovitz C.T. Biochemistry of the Elements, vol 13A. Information about Properties of Scandium, History of Scandium Discovery, Isotopes of Scandium, Minerals Containing Scandium, Applications of Scandium Oxide, Applications of Scandium in Al-Sc Alloy and Producers/Suppliers of Scandium Products Here is some background on the history of scandium, as well as examples of how the metal is used today. Lars Fredrik Nilson. 1.3.2 Discovery. Scandium Facts: 1-15 | History of Scandium Scandium Facts | Prediction by Dimitri Mendeleev. Naturally occurring scandium (21 Sc) is composed of one stable isotope, 45 Sc. A silvery-white metallic d-block element, it has historically been classified as a rare-earth element, together with yttrium and the lanthanides.It was discovered in 1879 by spectral analysis of … Isolation The prediction was made by Russian chemist Dmitri Mendeleev (1834-1907). Scandium is often identified with the periodic law developed by Dmitri Mendeleev in 1869. He made this prediction because there was a gap between the atomic masses of Calcium and Titanium. It has the chemical formula Sc2(SO4)3. Dilute Scandium sulfate: Dilute Scandium sulfate is the scandium salt of sulfuric acid. Assigned the atomic number 21, scandium is considered to be one of a group of rare earth elements. Scandium is used to maufacture lacrosse sticks. Scandium is known as one of the rare earth elements. 1.2 Sources. Scandium is a soft, light metal that might have applications in the aerospace industry. It should be noted that scandium is the 50th most common element, and the 35th most abundant element present in the earth's crust. Scandium was discovered by Lars F. Nilson in 1879, in Uppsala, Sweden. In 1879. Dmitri Mendeleev, the father of the periodic table, predicted an element having an atomic mass between 40 and 48 in the year 1869. 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