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
InChI key
TZCXTZWJZNENPQ-UHFFFAOYSA-L
InChI
1S/Ba.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
SMILES string
[Ba++].[O-]S([O-])(=O)=O
product line
ReagentPlus®
assay
99%
form
powder
pH
7
Quality Level
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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
存储类别
13 - Non Combustible Solids
wgk
nwg
flash_point_f
does not flash
flash_point_c
does not flash
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)
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)
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
Nam P Nguyen et al.
PloS one, 8(3), e56290-e56290 (2013-03-19)
The study aims to assess the feasibility of Tomotherapy-based image-guided radiotherapy (IGRT) to reduce the aspiration risk in patients with non-laryngeal and non-hypopharyngeal cancer. A retrospective review of 48 patients undergoing radiation for non-laryngeal and non-hypopharyngeal head and neck cancers
Steve Halligan et al.
Lancet (London, England), 381(9873), 1185-1193 (2013-02-19)
Barium enema (BE) is widely available for diagnosis of colorectal cancer despite concerns about its accuracy and acceptability. Computed tomographic colonography (CTC) might be a more sensitive and acceptable alternative. We aimed to compare CTC and BE for diagnosis of
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