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Scandium Facts. Scandium (Sc) has an atomic number of twenty-one. This member of the transition elements group is a silver-white that has been historically categorized as a rare earth element. Interesting Scandium Facts: Scandium was discovered in 1879 by Lars Fredrik Nilson, who named it .
Scandium is the transition metal with the lowest atomic number. The discovery of scandium filled a spot predicted by Mendeleev's periodic table. Scandium took the place of the placeholder element eka-boron. Most scandium compounds have scandium with the Sc 3+ ion. Scandium has an abundance in the Earth's crust of 22 mg/kg (or parts per million).
The following is a text extract of the OSHA fact sheet of Hazardous Chemicals in Labs. ... "Laboratory use" means performing chemical procedures using small quantities of hazardous chemicals on a laboratory scale and not as part of a production process in an environment where protective laboratory practices and equipment are in common use. ...
Scandium(III) triflate 99% Synonym: Sc(OTf)3, Scandium(III) trifluoromethanesulfonate, Trifluoromethanesulfonic acid scandium(III) salt CAS Number 144026-79-9. Linear Formula Sc(SO 3 CF 3) 3. Molecular Weight 492.16 . Beilstein/REAXYS Number 8510151 . MDL number MFCD00192433. PubChem Substance ID 24866212
Chemical Fact Sheets and list of HALs *Note: This page contains materials in the Portable Document Format (PDF). The free Adobe Reader may be required to view these files.. Health Advisory Level (HAL)s are developed when a chemical is found in drinking water and no regulatory standard (MCL) exists for the chemical.
Chemical Fact Sheets. Download the Chlorine Fact Sheet. Download the Sarin Fact Sheet. Download the Ricin Fact Sheet ...
Welcome to Scandium International Mining Corporation. Scandium International Mining Corp. (SCY) owns an interest in the Nyngan Scandium Project, located in New South Wales, Australia, approximately 500 kilometers northwest of Sydney.
Home español: Right to Know Hazardous Substance Fact Sheets: The Fact Sheets are prepared for substances on the New Jersey Right to Know Hazardous Substance List. More than 1,600 Fact Sheets have been completed and more than 900 have been translated into Spanish.
Fact Sheets on Specific Chemical Agents. Other Languages. Español (Spanish) English (US) Español (Spanish) | English (US) Related Pages. NOTE: the following is a list of chemical agents for which fact sheets are available. For a comprehensive list of chemical agent information on this website, see the Chemical Agents page. Abrin; Arsine (SA)
Chemical characterization: Description: (CAS#) ... Scandium has a low order of toxicity. As with calcium, the toxicity is generally a function of the anion. ... and any use of the product not in conformance with this Material Safety Data Sheet, or in combination with any other .
Want to know more about common chemicals used by s and businesses in Australia? These fact sheets are for a non-scientific with a focus on work safety. Read more about known health and environmental risks of common chemicals, plus recommendations for safe use.
SAFETY DATA SHEET Creation Date 05-Nov-2010 Revision Date 19-Jan-2018 Revision Number 4 1. Identification Product Name Scandium(III) oxide No. : AC315490000 CAS-No 12060-08-1 Synonyms Scandia Recommended Use Laboratory chemicals. Uses advised against Not for food, drug, pesticide or biocidal product use Details of the supplier of the safety data sheet
Safety Data Sheet per 29 CFR 1910.1200 Page 3 of 3 Ames Laboratory is operated for the U.S. DOE by Iowa State University, DE-AC02-07CH11358 Page 3 of 3 Chemical Stability: Stable under recommended storage conditions. Possibility of Hazardous Reactions: Flammable in the form of dust when exposed to heat, sparks or flame. May react with
Photographs and descriptions of many samples of the element Scandium in the Periodic Table.
The principal economic sources of rare earths are the minerals bastnasite, monazite, and loparite and the lateritic ion-adsorption clays. The rare earths are a relatively abundant group of 17 elements composed of scandium, yttrium, and the lanthanides. The elements range in crustal abundance from cerium, the 25th most abundant element of the 78 common elements in the Earth's
The primary use for scandium today is in solid oxide fuel cells ("SOFCs"), where both of these attributes dramatically improve performance. Incorporation of scandium in SOFCs delivers higher power outputs and promotes the desired chemical reaction at a lower operating temperature, resulting in dramatically improved unit life cycles.
chemical fact sheet scandium; Scandium (Sc) Metal & Scandium Powder - Reade. Scandium is a silvery-white metal that develops a yellow or pink tint when exposed to air. It is relatively soft and is chemically similar to the rare earth metals. Scandium's light weight and high melting point suggest applications within the aircraft industry.
He called this new element eka-silicon, after observing a gap in the periodic table between silicon and tin: Similarly, Mendeleev discovered gallium (eka-aluminum) and scandium (eka-boron) on paper, because he predicted their existence and their properties before their actual discoveries.
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"Glyphosate Human Health Risk Assessment for Proposed Use on Indian Mulberry and Amended Use on Pea, Dry." The last registra on review for glyphosate was published in 1993. That assessment did not include an endangered species determina on for glyphosate.6 In 2009 EPA fi nalized the work plan for the registra on review for glyphosate.
Metallic scandium was first prepared in 1937 by Fischer, Brunger, and Grieneisen, who electrolyzed a eutectic melt of potassium, lithium, and scandium chlorides at 700 to 800 deg C. Tungsten wire and a pool of molten zinc served as the electrodes in a graphite crucible. Pure scandium is now produced by reducing scandium fluoride with calcium metal.
Scandium is a chemical element with the symbol Sc and atomic number 21. 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 .
Safer Chemicals Research Fact Sheets. ... Chemical Safety for Sustainability Overview Fact Sheet (PDF) (2 pp, 563 K) CompTox Chemicals Dashboard Fact Sheet: May 2019 ... Provides an overview of EPA's rapid chemical exposure and dose research and some of the online tools it has produced such as the Chemical and Products Database.
Scandium is a metal that has many of the characteristics of the rare earth elements, particularly yttrium. It is a light material with a higher melting point than aluminum, giving it uses in aerospace and other manufacturing, such as racing bicycles, baseball bats, and golf clubs.
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