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质量水平
方案
97%
表单
powder
反应适用性
reagent type: catalyst
core: barium
杂质
1-4% adsorbed H2O/CO2
密度
5.72 g/mL at 25 °C (lit.)
SMILES字符串
O=[Ba]
InChI
1S/Ba.O
InChI key
QVQLCTNNEUAWMS-UHFFFAOYSA-N
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一般描述
Barium oxide, also known as barium(II) oxide, is a white or off-white fine powder with a melting point exceeding 1,800 °C. It is a highly stable compound with a high melting point and good chemical resistance, making it suitable for use in a wide range of applications. There are several methods to produce barium oxide including the thermal decomposition of barium carbonate and the electrolysis of barium chloride.
应用
Barium oxide is used in a variety of applications. It is used as a raw material in the production of ceramics, such as glazes and ceramic pigments. It is used as a refractory material in the production of furnace linings and high-temperature applications. It is used as a fluxing agent in the production of glass, helping to lower the melting point and improve the clarity of glass. It is used as a catalyst in the production of polyethylene and other polymers. It is often used as a starting material to produce other barium compounds or dope semiconductors.
特点和优势
用于合成高 κ 材料 BST（钛酸锶钡）。用于研究 NOX 的储存。
警示用语：
Danger
危险声明
危险分类
Acute Tox. 3 Oral - Acute Tox. 4 Inhalation - Eye Dam. 1 - Skin Corr. 1B
储存分类代码
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
法规信息
危险化学品
历史批次信息供参考:
分析证书(COA)
Lot/Batch Number
Sonia Kudłacik-Kramarczyk et al.
Materials (Basel, Switzerland), 13(15) (2020-07-29)
Barium titanate is a ferroelectric perovskite with unique electric properties; therefore, it is widely applied in the fabrication of inorganic coatings or thin films, capacitors, or in the production of devices for energy storage and conversion. This paper describes the
Emine Göncü Başaran et al.
The Journal of prosthetic dentistry, 109(2), 88-94 (2013-02-12)
It is unclear if fiber-reinforced fixed dental prostheses can be fabricated with physical properties that make them suitable for definitive prostheses. The purpose of this study was to compare the load bearing capacity of fiber-reinforced and unreinforced computer-aided design/computer-aided manufacturing
Kumudu Mudiyanselage et al.
Langmuir : the ACS journal of surfaces and colloids, 25(18), 10820-10828 (2009-07-11)
Reactions of NO2, H2O, and CO2 with a thick (>20 monolayer equivalent (MLE)) BaO film supported on Pt(111) were studied with temperature programmed desorption (TPD) and X-ray photoelectron spectroscopy (XPS). NO2 reacts with a thick BaO layer to form surface
Janós Szanyi et al.
The journal of physical chemistry. B, 109(1), 27-29 (2006-07-21)
Temperature programmed desorption, infrared spectroscopy, and (15)N solid state NMR spectroscopy were used to characterize the nature of the nitrate species formed on Al(2)O(3) and BaO/Al(2)O(3) NO(x) storage/reduction materials. Two distinctly different nitrate species were found: surface nitrates that are
D J Harris et al.
Physical chemistry chemical physics : PCCP, 7(8), 1839-1844 (2005-04-21)
We have modelled the surface diffusion and growth of BaO and SrO both in the homoepitaxial and heteroepitaxial (BaO on SrO and SrO on BaO) cases. The diffusion proceeds most favourably by an exchange mechanism involving the surface layer. When
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