62 150.360
Sm
Samarium

Samarium , Sm

Samarium is a chemical element with the symbol Sm and atomic number 62.

Samarium is a rare earth metal, with a bright silver lustre, that is reasonably stable in air; it ignites in air at 150 °C. Even with long-term storage under mineral oil, samarium is gradually oxidized, with a greyish-yellow powder of the oxide-hydroxide being formed. Three crystal modifications of the metal also exist, with transformations at 734 and 922 °C.

 

  • Listed below are a selection of some more commonly used sizes. If you do not see anything that suits your needs, please click on the custom request forms and send us your requirements.
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S1-5001-M

SmF3 3-6mm Pieces (melted) 99.9% Pure

Samarium Fluoride

S1-5002-M

Sm2O3 3-12mm Pieces (sintered) 99.9% Pure

Samarium Oxide

S1-5004-M

Sm Metal 3mm Pieces 99.9% Pure

Samarium

S1-5005-M

Sm 1-4mm Pieces 99.9% Pure

Samarium

S1-5006-M

Sm Metal 1-6mm Pieces TREM 99.5% Sm/TREM 99.9% Pure

Samarium

S1-5007-M

Sm 1-10mm Pieces TREM 99.5% Sm/TREM 99.9% Pure

Samarium

 

S1-10003-P

SmCl3-xH2O -4 mesh 99.9% Pure

Samarium Chloride

S1-10004-P

SmCl3 -20 mesh 99.9% Pure

Samarium Chloride

S1-10007-P

SmF3 -60 mesh (melted) 99.9% Pure

Samarium Fluoride

S1-10008-P

SmF3 -325 mesh (precipitated) 99.9% Pure

Samarium Fluoride

S1-10011-P

SmN -60 mesh 99.9% Pure

Samarium Nitride

S1-10012-P

Sm2O3 -325 mesh (typ. =5 microns) 99.999% Pure

Samarium Oxide

S1-10013-P

Sm2O3 -325 mesh (typ. =5 microns) 99.9% Pure

Samarium Oxide

S1-10014-P
Sm2S3 -200 mesh 99.9% PureSamarium Sulphide
S1-10015-P

Sm2O3 Powder 50 microns TREO 99% Min Sm2O3/TREM 99.9% Pure

Samarium oxide

S1-10016-P

Sm2O3 Powder ~10 microns TREM 99% Sm2O3/TREM 99.9% Pure

Samarium oxide

S1-2000-R

SmB6 Rod 4mm dia. x 100mm long 99.9% Pure

Samarium boride

S1-2000-R1

SmB6 Rod 4mm dia. x 100mm long 99.9% Pure

Samarium Boride

S1-2001-R

Sm Rod 12.7mm dia. 99.9% pure

Samarium

SM-SHT-0.5

Sm Sheet 0.5mm (0.020") Thickness 99.9% Pure

Samarium

SM-SHT-0.76

Sm Sheet 0.76mm (0.030") Thickness 99.9% Pure

Samarium

SM-SHT-1

Sm Sheet 1.0mm (0.040") Thickness 99.9% Pure

Samarium

S1-9000-D

Sm TREM 99.9%, Sm/TREM 99.95%

Samarium

 

S1-9000-Dx

Sm TREM 99.9%, Sm/TREM 99.99% Pure

Samarium 

S1-9001-D

Samarium Cobalt Sm-Co, 99.5%, 99.9% & 99.95% Pure - Available in various ratios wt% or at%

S1-9002-D

SmB6 99.5% Pure

Samarium boride

S1-9003-D

Samarium-Iron Sm-Fe, 99.5%, 99.9% & 99.95% Pure - Available in various ratios wt% or at%

S1-9004-D

Samarium Nickel Oxide SmNiO3, 99.9% Pure

S1-9005-D

Samarium-Neodymium-Nickel Oxide Sm-Nd-NiO3

SM-F-0.1

Sm Foil 0.1mm (0.004") Thickness 99.9% Pure

Samarium

SM-ST-1-3-5N

Sm TRG 25.4mm dia. x 3.18mm Tk 99.9% Pure

Samarium

SM-ST-2-3-3N

Sm TRG 50.8mm dia. x 3.18mm Tk 99.9% Pure

Samarium

SM-ST-2-6-3N

Sm TRG 50.8mm dia. x 6.35mm Tk 99.9% Pure

Samarium

SM-ST-4-6-3N

Sm TRG 50.8mm dia. x 3.18mm Tk TREM 99.9% Sm/TREM 99.99% Pure

Samarium

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Symbol Sm
Atomic number 62
No. of naturally occurring isotopes 7
Atomic weight 150.36 (+/-3)
Outer electron configuration 4f6s2
Metal radius(6-coordinate)/pm 180.4
Ionic radius(6-coordinate)/pm III 95.8
Ionic radius(7-coordinate)/pm II 122
E° (M3+(aq)\ + e- →M2+(aq))/V -1
E° (M3+(aq)\ + 3e- →M(s))/V -2.414
Electrical resistivity (25 °C)/μohm cm 92
Density (25 C)/gcm 7.536
Melting point /°C 1072
Boiling point /°C 1800
ΔHfus/kJmol-1 8.9(+/-0.4)
ΔHvap/kJmol-1 165(+/-17)
ΔHf(monoatomic gas)/kJmol-1 207
ΔH(hydration Ln3+)/kJmol-1 3515
Ionization energy/kJmol-1 I 542
Ionization energy/kJmol-1 II 1068
Ionization energy/kJmol-1 III 2285
Temperature (oC) @Vap. Pressure
10-8 Torr 373
10-6 Torr 460
10-4 Torr 573
Techniques
Electron Beam Good
Crucible Al2O3
Coil -
Boat Tantalum
Remarks
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