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Merck
CN

237108

Sigma-Aldrich

碳酸钡

ACS reagent, ≥99%

别名:

碳酸钡矿

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About This Item

线性分子式:
BaCO3
CAS号:
分子量:
197.34
Beilstein:
7045119
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.21

等级

ACS reagent

质量水平

检测方案

≥99%
99.0-101.0% (ACS specification)

形式

powder or chunks

杂质

≤0.002 meq/g water-soluble titr. base
≤0.005% oxidizers
≤0.015% insol. dil. HCl

pH值(酸碱度)

6.8 (37 °C, 3.67 g/L)

痕量阴离子

S2-: ≤0.001%
chloride (Cl-): ≤0.002%

痕量阳离子

Ca: ≤0.05%
Fe: ≤0.002%
K: ≤0.005%
Na: ≤0.02%
Sr: ≤0.7%
heavy metals (as Pb): ≤0.001%

SMILES字符串

[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

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一般描述

碳酸钡(BaCO3)是一种重要的碱土金属材料,用于生产钡盐、钡铁氧体、颜料、陶瓷、光学玻璃和电容器。此外,它还是生产超导体和陶瓷材料的前体。

应用

碳酸钡用于:
  • 通过固态聚合BaCO3 和二氧化钛(TiO2)制备钛酸钡。
  • 制备NBC(钕-钡-铜)陶瓷时的添加剂。

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Acute Tox. 4 Oral

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


分析证书(COA)

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Reaction of anatase and rutile with barium carbonate.
AMIN A, et al.
Journal of the American Ceramic Society. American Ceramic Society, 66(10), 733-738 (1983)
Ali Khorsand Zak et al.
Nanoscale research letters, 9(1), 399-399 (2014-09-02)
Pure zinc oxide and zinc oxide/barium carbonate nanoparticles (ZnO-NPs and ZB-NPs) were synthesized by the sol-gel method. The prepared powders were characterized by X-ray diffraction (XRD), ultraviolet-visible (UV-Vis), Auger spectroscopy, and transmission electron microscopy (TEM). The XRD result showed that
Characterization of barium titanate powders: barium carbonate identification.
Lopez MCB, et al.
Journal of the American Chemical Society, 82(7), 1777-1786 (1999)
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
Jian-Hua Zhu et al.
Chemical communications (Cambridge, England), (9)(9), 1106-1108 (2009-02-20)
A facile biomimetic method is reported for the synthesis of novel BaCO(3) nanofibres with double-stranded and cylindrical helical morphologies via a phosphonated block co-polymer-controlled mineralization process.

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