advent of electrolysis. Barium has few industrial applications. Historically, it was used as a getter for vacuum tubes and in oxide form as the emissive...

Rare-earth barium copper oxide (ReBCO) is a family of chemical compounds known for exhibiting high-temperature superconductivity (HTS). ReBCO superconductors...

elevated temperatures, barium nitrate decomposes to barium oxide: 2 Ba(NO3)2 → 2 BaO + 4 NO2 + O2 Barium nitrate is used in the production of BaO-containing...

in combination with other fillers like calcium carbonate or titanium oxide. Barium sulfate is used in soil testing. Tests for soil pH and other qualities...

compounds of barium. This white granular monohydrate is the usual commercial form. Barium hydroxide can be prepared by dissolving barium oxide (BaO) in water:...

copper (II) oxide breaks down to copper (I) oxide: 4 CuO → 2 Cu2O + O2 Both Han purple and Han blue are barium copper silicates (containing barium, copper...

ratio. It is also recommended that barium glazes not be used on food contact surfaces or outdoor items. Chromium(III) oxide (Cr 2O 3) is used as a colorant...

magnesium oxide. Inhalation of magnesium oxide fumes can cause metal fume fever. Calcium oxide – Chemical compound of calcium Barium oxide – Chemical...

as well as reacting with oxygen to form oxides such as strontium oxide (SrO). Calcium, strontium, and barium react with water to produce hydrogen gas...

Barium titanate (BTO) is an inorganic compound with chemical formula BaTiO3. It is the barium salt of metatitanic acid. Barium titanate appears white as...

it can cause discoloration when used in the faceplate. Strontium oxide and Barium oxide are preferred for the faceplate. The consumption of lead, and hence...

Barium sulfide is the inorganic compound with the formula BaS. BaS is the barium compound produced on the largest scale. It is an important precursor to...

(CH2CH2)O + H2S → [(HO–CH2CH2)3S+]OH− Reaction of ethylene oxide with aqueous solutions of barium nitrite, calcium nitrite, magnesium nitrite, zinc nitrite...

Barium ferrate is the chemical compound of formula BaFeO4. This is a rare compound containing iron in the +6 oxidation state. The ferrate(VI) ion has two...

zirconium, zirconium oxide (ZrO) bands. When this happens, the star will appear as an "extrinsic" S star. Historically, barium stars posed a puzzle,...

the stoichiometric value of calcium oxide (= 27.55) and of that which denotes the stoichiometric value of barium oxide (= 72.5); namely (27.5 + 72.5) / 2...

adopt defect perovskite structures. The prime example is yttrium barium copper oxide (YBCO), which has the formula YBa2Cu3O7. In this material Y3+ and...

chemical equilibrium between barium oxide and peroxide: the reaction of barium oxide with air at 500 °C results in barium peroxide, which upon heating to...

Insoluble radium compounds coprecipitate with all barium, most strontium, and most lead compounds. Radium oxide (RaO) is poorly characterized, as the reaction...

could not isolate barium, only barium oxide. Johan Gottlieb Gahn also isolated barium oxide two years later in similar studies. Barium was first isolated...

sulfide ore. Cuprite – copper(I) oxide ore. Dutch White – a pigment, formed from one part of white lead to three of barium sulfate. BaSO4 Flowers of antimony...

barium to absorb the X-rays. The average values for the glass mixture determined for a recycling study in 2005 is 8.5% strontium oxide and 10% barium...

have a high coercivity and high remanence after magnetization. Iron oxide and barium carbonate or strontium carbonate are used in manufacturing of hard...

structure with "channels", which can accommodate metal ions such as silver or barium. α-MnO 2 is often called hollandite, after a closely related mineral. Two...

19th-century analysis it was approximately: 57% barium sulphate, 29% ball clay, 10% flint, 4% barium carbonate. Barium sulphate ("cawk" or "heavy-spar") was a...

Caroline (2005). "Neue Barium-Antimonid-Oxide mit den Zintl-Ionen [Sb]3−, [Sb2]4− und 1∞[Sbn]n− / New Barium Antimonide Oxides containing Zintl Ions [Sb]3−...

containing oxides such as "anhydrous baryte" (barium oxide BaO) and anhydrous boric acid (B2O3), with which he developed barium crowns, barium flints and...

is modern crystal glass, in which barium oxide, zinc oxide, or potassium oxide are employed instead of lead oxide. In the European Union, labelling of...

nitrite on heating yields nitrogen gas and water. Barium azide -"Ba(N 3)"on heating yields barium metal and nitrogen gas. Sodium azide on heating at...

tungsten/barium cathode (instead of the pure barium oxide normally used) that consists of barium atoms embedded in 20% porous tungsten or barium and calcium...