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Samarium Chunk

High Purity Sm Chunk
CAS 7440-19-9


Product Product Code Request Quote
(2N) 99% Samarium Chunk SM-M-02-CK Request Quote
(3N) 99.9% Samarium Chunk SM-M-03-CK Request Quote
(4N) 99.99% Samarium Chunk SM-M-04-CK Request Quote
(5N) 99.999% Samarium Chunk SM-M-05-CK Request Quote

CHEMICAL
IDENTIFIER
Formula CAS No. PubChem SID PubChem CID MDL No. EC No Beilstein
Re. No.
SMILES
Identifier
InChI
Identifier
InChI
Key
Sm 7440-19-9 24855798 23951 MFCD00011233 231-128-7 N/A UN 2910 7 InChI=1S/Sm KZUNJOHGWZRPMI-UHFFFAOYSA-N

PROPERTIES Mol. Wt. Appearance Density Tensile Strength Melting Point Boiling Point Thermal Conductivity Electrical Resistivity Eletronegativity Specific Heat Heat of Vaporization Heat of Fusion MSDS
150.36 Silvery 7353 kg/m³ N/A 1072°C 1803°C 0.133 W/cm/K @ 298.2 K 88.0 microhm-cm @ 25°C 1.2 Paulings 0.043 Cal/g/K @ 25 °C 46 K-cal/gm atom at 1791°C 2.60 Cal/gm mole Safety Data Sheet

High Purity ChunkAmerican Elements specializes in producing high purity Samarium Chunks are produced using crystallization, solid state and other ultra high purification processes such as sublimation. Standard Chunk pieces are amorphous uniform pieces ranging in size from 5-15 mm. American Elements specializes in producing custom compositions for commercial and research applications and for new proprietary technologies. American Elements also casts any of the rare earth metals and most other advanced materials into granules, rod, bar or plate form, as well as other machined shapes and through other processes such as nanoparticles and in the form of solutions and organometallics. We also produce Samarium as rod, pellets, powder, pieces, disc, ingot, wire, and in compound forms, such as oxide. Other shapes are available by request.

Samarium Bohr Model Samarium Element SymbolSamarium (atomic symbol: Sm, atomic number: 62) is a Block F, Group 3, Period 6 element with an atomic radius of 150.36. The number of electrons in each of samarium's shells is 2, 8, 18, 24, 8, 2 and its electron configuration is [Xe]4f6 6s2. The samarium atom has a radius of 180 pm and a Van der Waals radius of 229 pm. In its elemental form, samarium has a silvery-white appearance. Samarium is not found as free element in nature. Elemental Samarium Picture It is found in the minerals cerite, gadolinite, samarskite, monazite and bastnäsite. Samarium is classified as a rare earth element and is the 40th most abundant element in the Earth's crust. Samarium was discovered and first isolated by Lecoq de Boisbaudran in 1879. It is named after the mineral samarskite, the mineral from which it was isolated. For more information on samarium, including properties, safety data, research, and American Elements' catalog of samarium products, visit the Samarium element page.


HEALTH, SAFETY & TRANSPORTATION INFORMATION
Danger
H228-H261-H373
R
15-33
30
N/A
UN 2910 7
3
Flame-Flammables Health Hazard      

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PACKAGING SPECIFICATIONS FOR BULK & RESEARCH QUANTITIES
Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums tTypical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Material Safety Data Sheet (MSDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes.


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Recent Research & Development for

  • Mechanism of Samarium-Catalyzed 1,5-Regioselective Azide–Alkyne [3 + 2]-Cycloaddition: A Quantum Mechanical Investigation. Jing-Mei Wang, Shang-Bo Yu, Zhi-Ming Li, Quan-Rui Wang, and Zhan-Ting Li. J. Phys. Chem. A: February 2, 2015
  • Effect of Doping on Surface Reactivity and Conduction Mechanism in Samarium-Doped Ceria Thin Films. Nan Yang, Alex Belianinov, Evgheni Strelcov, Antonello Tebano, Vittorio Foglietti, Daniele Di Castro, Christoph Schlueter, Tien-Lin Lee, Arthur P. Baddorf, Nina Balke, Stephen Jesse, Sergei V. Kalinin, Giuseppe Balestrino, and Carmela Aruta. ACS Nano: November 21, 2014
  • Asymmetric Thin Samarium Doped Cerium OxideCarbonate Dual-Phase Membrane for Carbon Dioxide Separation. Bo Lu and Y. S. Lin. Ind. Eng. Chem. Res.: July 11, 2014
  • Preparation of Hollow Core/Shell Microspheres of Hematite and Its Adsorption Ability for Samarium. Sheng-Hui Yu, Qi-Zhi Yao, Gen-Tao Zhou, and Sheng-Quan Fu. ACS Appl. Mater. Interfaces: June 3, 2014
  • Samarium and Yttrium Codoped BaCeO3 Proton Conductor with Improved Sinterability and Higher Electrical Conductivity. Zhen Shi, Wenping Sun, Zhongtao Wang, Jing Qian, and Wei Liu. ACS Appl. Mater. Interfaces: March 19, 2014
  • Qualitative Estimation of the Single-Electron Transfer Step Energetics Mediated by Samarium(II) Complexes: A “SOMO–LUMO Gap” Approach. Christos E. Kefalidis, Stéphanie Essafi, Lionel Perrin, and Laurent Maron. Inorg. Chem.: March 12, 2014
  • Determination of the Effective Redox Potentials of SmI2, SmBr2, SmCl2, and their Complexes with Water by Reduction of Aromatic Hydrocarbons. Reduction of Anthracene and Stilbene by Samarium(II) Iodide–Water Complex. Michal Szostak, Malcolm Spain, and David J. Procter. J. Org. Chem.: February 11, 2014
  • Reactivity of Dianionic Diketiminato Samarium Amide LSmN(SiMe3)2(THF) (L = {(2,6-iPr2C6H3)NC(CH2)CHC(CH3)N(2,6-iPr2C6H3)}2–) toward ArC?N (Ar = C6H5, p-MeOC6H4) and Ph2C?C?NtBu: A Facile Route for Modification of Dianionic ?-Diketiminato Ligands. Peng Liu, Yong Zhang, and Qi Shen. Organometallics: January 7, 2013
  • Single Samarium Atoms in Large Fullerene Cages. Characterization of Two Isomers of Sm@C92 and Four Isomers of Sm@C94 with the X-ray Crystallographic Identification of Sm@C1(42)-C92, Sm@Cs(24)-C92, and Sm@C3v(134)-C94. Hongxiao Jin, Hua Yang, Meilan Yu, Ziyang Liu, Christine M. Beavers, Marilyn M. Olmstead, and Alan L. Balch. J. Am. Chem. Soc.: April 26, 2012
  • Crystallization of New Samarium Polyborates. Zheng Ying Wu, Paula Brandao, and Zhi Lin. Inorg. Chem.: February 23, 2012