56 137.330
Ba
Barium

Barium , Ba

Barium is a chemical element. It has the symbol Ba, and atomic number 56. Barium is a soft silvery metallic alkaline earth metal. It is never found in nature in its pure form due to its reactivity with air. Its oxide is historically known as baryta but it reacts with water and carbon dioxide and is not found as a mineral. The most common naturally occurring minerals are the very insoluble barium sulfate, BaSO4 (barite), and barium carbonate, BaCO3 (witherite). Benitoite is a rare gem containing barium.

 

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B1-5001-M
Ba Pieces 6mm & smaller 99.9% PurePacked under Argon.Barium
B1-5005-M
BaAl4 Pieces 6mm & smaller 99.5% PureBarium aluminide
B1-5006-M
BaAl4 Pieces 3mm & smaller 99.5% PureBarium aluminide
B1-5007-M
Ba3Sb2 Pieces 6mm & smaller 99.5% PureBarium antimonide
B1-5008-M
Ba3Sb2 Pieces 3mm & smaller 99.5% PureBarium antimonide
B1-5012-M
BaF2 Pieces 3-6mm (melted) 99.9% PureBarium fluoride
B1-5013-M
BaF2 Pieces 3-6mm (melted) 99% PureBarium fluoride
B1-5015-M
BaSi2 Pieces 6mm & smaller 98% PureBarium Silicide
B1-5016-M
Ba2S3 Pieces 6mm & smaller 99.9% PureBarium Sulphide
B1-5017-M
Ba2Te3 Pieces 6mm & smaller 99.9% PureBarium Telluride
B1-5018-M
BaTiO3 Pieces 3-12mm (sintered) 99.98% PureBarium Titanate
B1-5019-M
BaTiO3 Pieces 3-12mm (sintered) 99.9% PureBarium Titanate
B1-5020-M
BaF2 Pieces 1-4mm 99.99% PureBarium Fluoride
B1-5021-M
Ba Pieces 3-12mm Packed under Argon 99.9% PureBarium
B1-5022-M
BaSrTiO3 Pieces 1-6mm (sintered) 99.6% PureBarium Strontium Titanate
B1-5023-M
Ba Pieces 1-3mm (metal basis) 99.9% PurePacked under Argon.Barium
B1-5024-M
Ba Pieces 3-10mm (metal basis) 99.9% PureVacuum packed in OilBarium
B1-5025-M
BaF2 Pieces 3-6mm 99.99% PureBarium fluoride
B1-10006-P
BaC2 -8 Mesh 99.5% PureBarium Carbide
B1-10011-P
BaCl2 -60 Mesh 99.9% PureBarium Chloride
B1-10014-P
BaF2 -100 Mesh 99.995% PureBarium Fluoride
B1-10015-P
BaF2 -325 Mesh (typ. =10 microns) 99.9% PureBarium Fluoride
B1-10016-P
BaF2 -325 Mesh (typ. =10 microns) 99% PureBarium Fluoride
B1-10024-P
Ba3N2 -20 Mesh 99.7% PureBarium Nitrite
B1-10032-P
BaS -100 Mesh 99.999% PureBarium Sulphide
B1-10033-P
BaS -200 Mesh 99.9% PureBarium Sulphide
B1-10034-P
BaS -325 Mesh (typ. = microns) 98% Pure0.98Barium Sulphide
B1-10036-P
BaTe -20 Mesh 99.5% PureBarium Telluride
B1-10038-P
BaTiO3 -325 Mesh (typ. =5 microns) 99.98% PureBarium Titanate
B1-10039-P
BaTiO3 -325 Mesh (typ. =5 microns) 99.9% PureBarium Titanate
B1-10040-P
BaTiO3 -325 Mesh +5 microns 99% PureBarium Titanate
B1-10041-P
BaTiO3 Powder D50: 2.2 Microns 99.5% PureBarium Titanate6.1 UN1564 PG lll
B1-10050-P
BaO -100 Mesh >99% PureBarium Oxide
B1-2000-R

Ba Rod 25.4mm dia. >99% pure

Barium

More Info
B1-9000-D

Barium Ba, Available purity 99.9%

B1-9001-D

Barium fluoride BaF2, Available purity 99.9% & 99.99%

B1-9002-D

Barium oxide BaO,

Available purity 99.9%

B1-9003-D

Barium Titanate BaTiO3,

Available purity 99.9% & 99.99%

B1-9004-D

Barium Strontium Titanate Ba0.5Sr0.5TiO3

Available purity 99.9% & 99.99%

B1-9005-D

Barium Ruthenium oxide BaRuO3,

Purity 99.9%

B1-9006-D

Barium Vanadium oxide BaVO3,

Purity 99.9%

B1-9007-D

Barium Strontium Ruthenium oxide (Ba0.5Sr0.5)RuO3,

Purity 99.9%

B1-9008-D

Barium-Nickel Oxide BaNi03,

Purity 99.9%

B1-9009-D

Barium Zirconium Yttrium oxide BaZr0.8Y0.2O3,

Purity 99.9%

B1-9010-D

Barium Stannate BaSnO3,

Purity 99.9%

B1-9011-D

Barium Cerium Yttrium Zirconium oxide Ba-Ce-Y-ZrO3,

Available in various ratios wt% or at%, Purity 99.9%

B1-9012-D

Barium Manganese Niobium oxide BaMn1/2Nb1/2O3,

Purity 99.9%

B1-9013-D

Barium Zirconate BaZrO3,

Purity 99.9%%

B1-9014-D

Barium Iron oxide BaFe12O19,

Purity 99.9%

B1-9015-D

Barium oxide-Calcium oxide-Aluminium oxide BaO-CaO-Al2O3,

Available in various ratios wt% or at%, Purity 99.9%

B1-9016-D

Barium- Zirconium Ba-Zr,

Available in various ratios wt% or at%, Purity 99.9%

B1-9017-D

Barium Bismuth oxide Ba1Bi1.1O3,

Purity 99.9%%

B1-9018-D

Barium Iron Scandium oxide BaFe11.1Sc0.9O19,

Purity 99.9%

B1-9001-D1
BaF2 TRG 101.6mm dia. x 6mm Tk 99.99% PureBarium fluoride
B1-9001-D2
BaF2 TRG 50.8mm dia. x 5mm Tk 99.9% PureBarium fluoride
B1-9001-D3
BaF2 TRG 76.2mm dia. x 3.18mm Tk 99.99% PureBarium fluoride
B1-9001-D4
BaF2 TRG 76.2mm dia. x 6.35mm Tk 99.99% PureBarium Fluoride
B1-9002-D1
BaO TRG 50.8mm dia. x 3.18mm Tk 99.9% PureBarium oxide
B1-9003-D1
BaTiO3 TRG 76.2mm dia. x 6.35mm Tk 99.99% PureBarium Titanate
B1-9003-D10
BaTiO3 TRG 101.6mm dia. x 6mm Tk 99.9% PureBarium Titanate
B1-9003-D11
BaTiO3 TRG 25.4mm dia. x 3.18mm Tk 99.99% PureBarium Titanate
B1-9003-D12
BaTiO3 TRG 76.2mm dia. x 3.18mm Tk 99.9% PureBarium Titanate
B1-9003-D13
BaTiO3 TRG 50.8mm dia. x 3mm Tk 99.99% PureBarium Titanate
B1-9003-D14
BaTiO3 TRG 50.8mm dia. x 6.35mm Tk 99.95% PureBarium Titanate
B1-9003-D15
BaTiO3 TRG 25.4mm dia. x 6.35mm Tk 99.99% PureBarium Titanate
B1-9003-D16
BaTiO3 TRG 76.2mm dia. x 4mm Tk 99.9% PureBarium Titanate
B1-9003-D18
BaTiO3 TRG 50.8mm dia. x 6.35mm Tk 99.9% PureBarium Titanate
B1-9003-D19
BaTiO3 TRG 25.4mm dia. x 3.18mm Tk 99.9% PureBarium titanate
B1-9003-D2
BaTiO3 TRG 50.8mm dia. x 3.18mm Tk 99.99% PureBarium Titanate
B1-9003-D20
BaTiO3 TRG 25.4mm dia. x 2-3mm Tk 99.9% PureBarium Titanate oxide
B1-9003-D3
BaTiO3 TRG 25.4mm dia. x 3mm or 6mm Tk99.99% PureBarium Titanate
B1-9003-D4
BaTiO3 TRG 50.8mm dia. x 3.18mm Tk 99.9% PureBarium Titanate
B1-9003-D5
BaTiO3 TRG 76.2mm dia. x 6mmm Tk 99.9% PureBarium Titanate
B1-9003-D6
BaTiO3 TRG 25.4mm dia. x 6.35mm 99.9% PureBarium Titanate
B1-9003-D7
BaTiO3 TRG 25.4mm dia. x 3mm Tk 99.9% PureBarium Titanate
B1-9003-D8
BaTiO3 TRG 76.2mm dia. x 3mm Tk 99.9% PureBarium Titanate
B1-9003-D9
BaTiO3 TRG 101.6mm dia. x 3mm Tk 99.9% PureBarium Titanate
CRY-BaF2

Barium fluoride Single Crystal BaF2

More Info

Barium is a metallic element that is chemically similar to calcium but more reactive. This metal oxidizes very easily when exposed to air and is highly reactive with water or alcohol, producing hydrogen gas. Burning in air or oxygen produces not just barium oxide (BaO) but also the peroxide. Simple compounds of this heavy element are notable for their high specific gravity. This is true of the most common barium-bearing mineral, its sulfate barite BaSO4, also called 'heavy spar' due to the high density (4.5 g/cm³).

Symbol Be
Atomic number 4
No. of naturally occurring isotopes 1
Atomic weight 9.01218
Electronic configuration [He] 2s2
Ionization energy/kJmol-1 899.2
II 1757
Metal radius/pm 112
Ionic radius (4-coord)/pm 27
Density (20°C)/gcm-3 1.848
Melting point / °C 1287
Boiling point / °C ~2500
ΔHfus/kJmol-1 15
ΔHvap/kJmol-1 309
Eo(M2-(aq)2e- →M(S))/V -1.85
Electrical resistivity
(20°C)/μohm cm 4.46
Temperature (oC) @Vap. Pressure
10-8 Torr 545
10-6 Torr 627
10-4 Torr 735
Techniques
Electron Beam Fair
Crucible Metals
Coil Tungsten
Boat Molybdenum, Tantalum & Tungsten
Remarks
Wets w/o alloying – reacts with ceramics.