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Merck
CN

202711

碳酸钡

99.999% trace metals basis

别名:

Barium monocarbonate, Witherite

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关于此项目

线性分子式:
BaCO3
化学文摘社编号:
分子量:
197.34
NACRES:
NA.23
PubChem Substance ID:
eCl@ss:
38020211
UNSPSC Code:
12352302
EC Number:
208-167-3
MDL number:
Beilstein/REAXYS Number:
7045119
Assay:
99.999% trace metals basis
Form:
powder and chunks
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Quality Level

assay

99.999% trace metals basis

form

powder and chunks

reaction suitability

core: barium

impurities

≤15.0 ppm Trace Metal Analysis

SMILES string

[Ba++].[O-]C([O-])=O

InChI

1S/CH2O3.Ba/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2

InChI key

AYJRCSIUFZENHW-UHFFFAOYSA-L

General description

碳酸钡是一种难溶于水的无机化合物。它可用于各种工业应用,特别是在陶瓷工业中可用于釉料并可作为助熔剂。它也可用于制造电子陶瓷、电容器、PTC热敏电阻和其它电子元件。

Application

碳酸钡可用于:    
  • 制备BaTiO3 纳米颗粒的前体,该纳米颗粒是一种可用于制造多层陶瓷电容器的介电材料
  • 钛酸钡薄膜合成的前体个,该薄膜在光伏器件中有应用。

碳酸钡也可用于以下应用:
  • BaCO3据报道,纳米颗粒已被用于固体氧化物燃料电池(SOFC)中高温氧还原反应(ORR)的催化剂。      
  • 基于碳酸钡的纳米材料已被用于传感器和催化应用,其采用一维纳米结构提高了传感性能。    
  • BaCO3可用于制造用于多层陶瓷电容器和复合氧化物以及PTC热敏电阻的钛酸钡。它还用于制造光学玻璃、半导体溅射玻璃,并可作为磷光体材料的成分。

Features and Benefits

  • 99.999% trace metals basis BaCO3 enhances performance in electronic ceramics and optics, improving the reliability of capacitors, insulators, and specialty glass by reducing impurities and increasing mechanical strength and refractive index.
  • Low impurity levels (<15ppm) in BaCO3 enhance the chemical resistance and durability of glass, making it suitable for high-quality applications.


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pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral

存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves



历史批次信息供参考:

分析证书(COA)

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A modified method for barium titanate nanoparticles synthesis
Ashiri R, et al.
Mat. Res. Bul., 46, 2291?2295-2291?2295 (2011)
Miyako Akiyoshi et al.
Journal of hazardous materials, 132(2-3), 141-147 (2005-12-14)
Iron picrate (FePic) was synthesized under conditions similar to those that result in the natural deterioration of chemical weapons. Its thermal hazard was investigated by comparing it with iron picrate obtained by the chemical synthesis method (FePic(Ba)). FePic has eight
D Ekeberg et al.
Carbohydrate research, 335(2), 141-146 (2001-09-25)
A simple, but low-yielding method for the synthesis of 3-hexuloses has been elaborated. Oxidation of 1,2:5,6-di-O-isopropylidenehexitols with bromine in the presence of barium carbonate, followed by mild-acid hydrolysis of the oxidation products gave the free hexuloses. Oxidation occurred at only



全球贸易项目编号

货号GTIN
202711-100G04061838765178
202711-25G04061838765185