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重要文件

237108

Sigma-Aldrich

碳酸钡

ACS reagent, ≥99%

同義詞:

碳酸钡矿

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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
PubChem物質ID:
NACRES:
NA.21
化驗:
≥99%
99.0-101.0% (ACS specification)
等級:
ACS reagent
形狀:
powder or chunks
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等級

ACS reagent

品質等級

化驗

≥99%
99.0-101.0% (ACS specification)

形狀

powder or chunks

雜質

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

pH值

6.8 (37 °C, 3.67 g/L)

負離子痕跡

S2-: ≤0.001%
chloride (Cl-): ≤0.002%

正離子痕跡

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

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(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。

應用

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


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分析證明 (COA)

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Questions

  1. What is the particle size of BaCO3

    1 answer
    1. The particle size of this product is not determined.

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