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Merck
CN

243353

硫酸钡

ReagentPlus®, 99%

别名:

重晶石

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关于此项目

线性分子式:
BaSO4
化学文摘社编号:
分子量:
233.39
NACRES:
NA.55
PubChem Substance ID:
UNSPSC Code:
12352106
EC Number:
231-784-4
MDL number:
Assay:
99%
Form:
powder
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Quality Level

product line

ReagentPlus®

assay

99%

form

powder

pH

7

SMILES string

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

InChI

1S/Ba.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2

InChI key

TZCXTZWJZNENPQ-UHFFFAOYSA-L

General description

硫酸钡被广泛用作无机填料。 它的晶体属于菱形晶体系统。 菱形晶体在1148°C时转变为单斜晶形式,最终在1400°C以上的温度下分解为氧化钡、二氧化硫和氧气。

Application

硫酸钡可用于以下研究:
  • Ba2+和SO4-2离子的定性和定量分析。
  • 二氧化硫的制备。
  • 有机-无机杂化材料的制备。

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany


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存储类别

13 - Non Combustible Solids

wgk

nwg

flash_point_f

does not flash

flash_point_c

does not flash



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Improved method for the preparation of sulfur dioxide from barium sulfate for isotope ratio studies.
Bailey SA and Smith JW.
Analytical Chemistry, 44(8), 1542-1543 (1972)
Ionic liquid-functionalized crystals of barium sulfate: A hybrid organic-inorganic material with tuned hydrophilicity and solid-liquid behavior.
Kowacz M, et al.
Materials Chemistry and Physics, 160, 308-314 (2015)
Gregory S Cooper et al.
Cancer, 119(10), 1800-1807 (2013-02-26)
Professional society guidelines recommend follow-up colonoscopy for patients with resected colonic adenomas. However, adherence to guideline recommendations in routine clinical practice has not been well characterized. The authors used a population-based sample of Medicare beneficiaries to identify all patients aged



全球贸易项目编号

货号GTIN
243353-1KG04061825596181
243353-100G04061825596174
243353-25KG04061833509265
243353-500G04061825596198