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重要文件

202711

Sigma-Aldrich

碳酸钡

99.999% trace metals basis

同義詞:

Barium monocarbonate, Witherite

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About This Item

線性公式:
BaCO3
CAS號碼:
分子量::
197.34
Beilstein:
7045119
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
eCl@ss:
38020211
PubChem物質ID:
NACRES:
NA.23
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等級

for analytical purposes

化驗

99.999% trace metals basis

形狀

powder and chunks

雜質

≤15.0 ppm Trace Metal Analysis

SMILES 字串

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

InChI

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

InChI 密鑰

AYJRCSIUFZENHW-UHFFFAOYSA-L

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一般說明

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。

應用

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。

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

Acute Tox. 4 Oral

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

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


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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)
Akemi Yasukawa et al.
Journal of colloid and interface science, 288(2), 468-474 (2005-06-02)
Particles of carbonated barium-calcium hydroxyapatite solid solutions (BaCaHap) with different Ba/(Ba+Ca) (X(Ba)) atomic ratios were prepared by a wet method at 100 degrees C and characterized by various means. The crystal phases and structures of the products strongly depended on
Shuisheng Wu et al.
Inorganic chemistry, 48(21), 10326-10329 (2009-09-29)
In this paper, we report on biomineralization of BaCO(3) hierarchical architectures with self-cleaning ability. The phase structures of the obtained samples were characterized by X-ray diffraction (XRD). All of these complex nanostructures, including dendrite-like nanostructures, dumbbell-like nanostructures, and spherical nanostructures
Tongxin Wang et al.
Physical chemistry chemical physics : PCCP, 12(38), 11984-11992 (2010-09-08)
Nanocrystal superstructures of barium carbonate (BaCO(3)) which exhibit unusual morphologies are obtained by the carbon dioxide vapor diffusion technique in the presence of poly(ethylene oxide)-block-eicosa aspartate (PEO-b-Asp(20)). The highly effective bioconjugate acts as a crystal growth modifier over a broad
J A Ippolito et al.
Journal of environmental quality, 35(6), 2333-2341 (2006-10-31)
In December 2003, the USEPA released an amended list of 15 "candidate pollutants for exposure and hazard screening" with regard to biosolids land application, including Ba. Therefore, we decided to monitor soil Ba concentrations from a dryland wheat (Triticum aestivum

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