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Thorium Metal
High Purity Th Metal
7440-29-1

Product
Product Code
Order or Specifications
99% Thorium Metal
TH-M-02
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99.9% Thorium Metal
TH-M-03
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99.99% Thorium Metal
TH-M-04
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99.999% Thorium Metal
TH-M-05
 Contact American Elements
Thorium Metal is available as ingot, foil, rod, plate and sputtering target Ultra High Purity Ingot of Dysprosium Metal by Distillation and in numerous other forms and custom shapes. Ultra high purity and high purity forms also include metal powder, submicron powder and nanoscale, quantum dots, targets for thin film deposition, pellets for evaporation and single crystal or polycrystalline forms. Elements can also be introduced into alloys or other systems as fluorides, oxides or chlorides or as solutions. Thorium metal is generally immediately available in most volumes. Additional technical, research and safety (MSDS) information is available as is a Reference Calculator for converting relevant units of measurement.

Thorium is a Block F, Group 3, Period 7 element. The electronic configuration is [Rn] 6d2 7s2. In its elemental form thorium's CAS number is 7440-29-1. The thorium atom has a radius of 179.8.pm and it's Van der Waals radius is 200.pm. Thorium is a lanthanide (rare earth) material with potential nuclear power applications. Thorium is available as metal and compounds with purities from 99% to 99.999% (ACS grade to ultra-high purity); metals in the form of foil, sputtering target, and rod, and compounds as submicron and nanopowder. It is presently used as a tungsten coating in electronic parts due to its high emission factor.

Formula CAS No. Appearance Molecular Weight Density Melting Point Boiling Point Solubility Stability
Th 7440-29-1 Silvery 232.03 11724 kg/m³ 1842 °C 4820 °C N/A Fairly stable in air
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Recent Research & Development for Thorium

  • Thorium series radionuclides in the environment: Measurement, dose assessment and regulation. Appl Radiat Isot. 2008 Apr 15. [Epub ahead of print]

  • Determination of thorium isotopes in mineral and environmental water and soil samples by alpha-spectrometry and the fate of thorium in water. Appl Radiat Isot. 2008 Apr 3. [Epub ahead of print]

  • The establishment of a portable high sensitivity exhaled thoron activity measurement system. J Radiol Prot. 2008 Jun;28(2):195-204. Epub 2008 May 22.

  • The effect of manufacturing variables on radiation doses from porcelain tiles. Health Phys. 2008 Jun;94(6):539-47.

  • The natural radioactivity in Guarani aquifer groundwater, Brazil. Appl Radiat Isot. 2008 Mar 19. [Epub ahead of print]

  • Micro-column solid phase extraction to determine uranium and thorium in environmental samples. Appl Radiat Isot. 2008 Aug;66(8):1097-103. Epub 2007 Oct 4.

  • Mortality among Thorotrast-exposed patients and an unexposed comparison group in the German Thorotrast study. Eur J Cancer. 2008 Jun;44(9):1259-68. Epub 2008 Apr 18.

  • Thorium-induced oxidative stress mediated toxicity in mice and its abrogation by Diethylenetriamine pentaacetate. Int J Radiat Biol. 2008 Apr;84(4):337-49.

  • [Electrophoretic and immunochemical research of rat urine proteins in dynamics after intravenous injection of thorium dioxide (thorotrast)] Radiats Biol Radioecol. 2007 Nov-Dec;47(6):707-16. Russian.

  • U and Th in some brown coals of Serbia and Montenegro and their environmental impact. Environ Sci Pollut Res Int. 2008 Mar;15(2):155-61.

  • Study of pollution in the El Jadida-Safi Atlantic coastal zone (Morocco) by using PIXE and SSNTD methods. J Environ Radioact. 2008 Mar 29. [Epub ahead of print]

  • Soil and sediment sample analysis for the sequential determination of natural and anthropogenic radionuclides. Talanta. 2008 Feb 15;74(5):1527-33. Epub 2007 Oct 2.

  • NASA's flimsy argument for nuclear weapons. Sci Am. 2008 Mar;298(3):23-4. No abstract available.

  • Numerical analysis of alpha spectra using two different codes. Appl Radiat Isot. 2008 Jun-Jul;66(6-7):808-12. Epub 2008 Feb 9.

  • Radiation protection issues related to Canadian museum operations. Health Phys. 2008 Feb;94(2 Suppl):S16-20.

  • TOF-2: a large 1D channel thorium organic framework. J Am Chem Soc. 2008 Mar 26;130(12):3762-3. Epub 2008 Mar 6.

  • 238U, 232Th, 222Rn, AND 220Rn concentrations measured in various bottled mineral waters and resulting radiation doses to the members of the European population living in the city of Marrakech (Morocco). Health Phys. 2008 Mar;94(3):279-91.

  • Concentrations of 226Ra, 232Th, and 40K in the soils of Bangalore region, India. Health Phys. 2008 Mar;94(3):264-71.

  • Affinity of the highly preorganized ligand PDA (1,10-phenanthroline-2,9-dicarboxylic acid) for large metal ions of higher charge. A crystallographic and thermodynamic study of PDA complexes of thorium(IV) and the uranyl(VI) ion. Inorg Chem. 2008 Mar 17;47(6):2000-10. Epub 2008 Feb 20.

  • Natural radioactivity hazards of building bricks fabricated from saline soil of two districts of Pakistan. J Radiol Prot. 2007 Dec;27(4):481-92. Epub 2007 Nov 27.

 

 

 

 

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