Cerium is a silvery metal, belonging to the lanthanide group. It resembles iron in colour and lustre, but is soft, and both malleable and ductile. Cerium has the longest liquid range of any non-radioactive element: 2648 °C (795 °C to 3443 °C) or 4766 °F (1463 °F to 6229 °F). (Thorium has a longer liquid range.)
Form
Type
Formula
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Ce 1-4mm pieces (packed under oil) TREM 99.5% Ce/TREM 99.9% Pure
Cerium
4.3 UN3078 PG II
Ce <12mm pieces 99.9% Pure
Cerium
4.3 UN3078 PG II
CeF3 3-6mm pieces (melted) 99.9% Pure
Cerium Fluoride
CeO2 8-10 dia. x 4-5mm tablets (sintered) 99.9% Pure
Cerium Oxide
CeO2 3-6mm pieces (fused) 99.9% Pure
Cerium Oxide
CeS <3mm Pieces 99.9% Pure
Cerium Sulphide
CeF3-BaF2 90-10wt% 7-10mm Pieces 99.99% Pure
Cerium Fluoride-Barium Fluoride
CeF3 3-6mm Pieces 99.99% Pure
Cerium Fluoride
CeO2 2-4mm Pieces 99.99% Pure
Cerium Oxide
CeO2 1-6mm Pieces 99.99% Pure
Cerium Oxide
Ce Pieces 1-6mm Pieces (packed under oil) 99.9% Pure
Cerium
4.3 UN3078 PG II
Ce Pieces 3-6mm Pieces (packed under oil) 99.9% Pure
Cerium
4.3 UN3078 PG II
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CeCl3-xH2O -4 Mesh 99.9% Pure
Cerium Chloride
CeCl3 Powder -20 Mesh
Cerium Chloride
CeF3 Powder -60 Mesh (melted) 99.9% Pure
Cerium Fluoride
CeF3 Powder -325 Mesh (precipitated) 99.9% Pure
Cerium Fluoride
CeO2 Powder -150 +325 Mesh (fused) 99.5% Pure
Cerium Oxide
CeO2 Powder -325 Mesh (typ. =5 Microns calcined) 99.999% pure
Cerium Oxide
CeO2 Powder -325 Mesh (typ. =5 Microns calcined) 99.9% pure
Cerium Oxide
CeO2 Powder -325 Mesh +10 Microns (fused) 99.95% Pure
Cerium Oxide
CeO2 Powder -325 Mesh Gd203/TREM 99.99% TREO 99% Pure
Cerium Oxide
CeO2 Powder -100 Mesh 99.99% Pure
Cerium Oxide
Ce2S3 Powder -325 Mesh (typ =10 microns) 99.9% Pure
Cerium Sulphide
Ce2Te3 Powder -20 Mesh 99.9% Pure
Cerium Telluride
CeO2 Powder 10 Microns 99.99% Pure
Cerium Oxide
CeO2 Powder -325 Mesh 99.9% Pure
Cerium Oxide
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Ce Rod 12.7mm dia. x 100mm long 99.9% Pure
Cerium
Ce Rod 24mm dia. x 100mm long Ce/TREM 99.9% TREM 99% Pure
Cerium
Ce Rod 50mm dia. x 35mm long 99.9% Pure
Cerium
CeB6 Rod 3mm dia. x 100mm long 99.9% Pure
Cerium Boride
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Ce Sheet Thickness 0.25mm (0.010") 99.9% pure
Cerium
Ce Sheet Thickness 0.38mm (0.015") 99.9% pure
Cerium
Ce Sheet Thickness 0.5mm (0.020") 99.9% pure
Cerium
Ce Sheet Thickness 1.0mm (0.040") 99.9% pure
Cerium
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Cerium Ce, TREM 99.5% Ce/TREM 99.9% Pure
Cerium fluoride CeF3, Purity 99.99%
Cerium (III) Oxide Ce2O3, 99.99% Pure
Cerium oxide CeO2, 99.99% Pure
Cerium-Gadolinium Ce-Gd, 99.9% Pure - Available in various ratios wt% or at%
Cerium oxide-Gadolinium oxide CeO2-Gd2O3, 99.9% Pure - Available in various ratios wt% or at%
Cerium-Lanthanum Ce-La, 99.9% Pure - Available in various ratios wt% or at%
Cerium-Zirconium oxide Ce-ZrO2, 99.95%+ Pure - Available in various ratios wt% or at%
Cerium oxide doped with Samarium CeO-Sm, 99.99% Pure - Available in various ratios wt% or at%
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CeF3 TRG 101.6mm dia. x 6mm Tk 99.99% Pure
Cerium Fluoride
Ce2O3 TRG 25.4mm dia. x 6.35mm Tk 99.99% Pure
Cerium (III) oxide
CeO2 TRG 101.6mm dia. x 0.125" Tk 99.99% Pure
Cerium oxide
CeO2 TRG 101.6mm dia. x 3mm Tk 99.99% Pure
Cerium oxide
CeO2 TRG 50.8mm dia. x 6.35mm Tk 99.95% Pure
Cerium oxide
CeO2 TRG 50.8mm dia. x 3.18mm Tk 99.99% Pure
Cerium oxide
CeO2 TRG 50.8mm dia. x 6.35mm Tk 99.99% Pure
Cerium oxide
CeO2 TRG 76.2mm dia. x 6.35mm Tk 99.99% Pure
Cerium oxide
CeO2 TRG 76.2mm dia. x 3mm Tk 99.9% Pure
Cerium oxide
CeO2 TRG 50.8mm dia. x 3mm Tk 99.95% Pure
Cerium Oxide
CeO2 TRG 76.2mm dia. x 3mm Tk 99.99% Pure
Cerium oxide
CeO2 TRG 25.4mm dia. x 6.35mm Tk 99.9% Pure
Cerium oxide
CeO2 TRG 2" dia. x 0.188" Tk 99.99% Pure
Cerium oxide
CeO2 TRG 101.6mm dia. x 6mm Tk 99.99% Pure
Cerium oxide
CeO2 TRG 25.4mm dia. x 3.18mm Tk 99.99% Pure
Cerium oxide
Although cerium belongs to chemical elements group called rare earth metals, it is in fact more common than lead. Cerium is available in relatively large quantities (68 ppm in Earth’s crust). It is used in some rare-earth alloys.
Among rare earth elements only europium is more reactive. It tarnishes readily in the air. Alkali solutions and dilute and concentrated acids attack the metal rapidly. Cerium oxidizes slowly in cold water and rapidly in hot water. The pure metal can ignite if scratched.
Cerium(IV) (ceric) salts are orange red or yellowish, whereas cerium(III) (cerous) salts are usually white or colorless. Both oxidation states absorb ultraviolet light strongly. Cerium(III) can be used to make glasses that are colorless, yet absorb ultraviolet light almost completely. Cerium can be readily detected in rare earth mixtures by a very sensitive qualitative test: addition of ammonia and hydrogen peroxide to an aqueous solution of lanthanides produces a characteristic dark brown color if cerium is present.
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