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Merck

202762

Sigma-Aldrich

Barium sulfate

99.99% trace metals basis

Sinónimos:

Baryte

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About This Item

Fórmula lineal:
BaSO4
Número de CAS:
Peso molecular:
233.39
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.22

assay

99.99% trace metals basis

form

powder

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

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General description

Barium sulfate is an insoluble salt commonly used in X-ray imaging as a contrast agent.

Application

Barium sulfate may be used as a catalyst for the conversion of lactic acid to acrylic acid via dehydration.

Storage Class

11 - Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Barium sulphate catalyzed dehydration of lactic acid to acrylic acid.
Peng J, et al.
Green Chemistry, 16(1), 108-111 (2014)
Recent advances in the preparation of barium sulfate nanoparticles: a mini-review
Tlek K et al.
Chemical Engineering Journal, 6, 30-30 (2022)
Tafadzwa P Makarawo et al.
The American surgeon, 79(7), 728-733 (2013-07-03)
Water as an intraluminal negative contrast medium produces improved image quality with reduced artefact. However, rapid absorption of oral water in the bowel relative to speed and timing of image capturing has limited its clinical application. These findings predate advances
Zhiyue Lin et al.
American journal of physiology. Gastrointestinal and liver physiology, 307(2), G158-G163 (2014-05-24)
This study aimed to develop and validate a method to measure bolus flow time (BFT) through the esophagogastric junction (EGJ) using a high-resolution impedance-manometry (HRIM) sleeve. Ten healthy subjects were studied with concurrent HRIM and videofluoroscopy; another 15 controls were
Rosie McDonald et al.
Journal of clinical pathology, 66(4), 330-334 (2013-01-05)
Faecal occult blood test (FOBt) is commonly requested by clinicians in both primary and secondary care. The aim of this study was to examine the use and outcomes of clinician-requested FOB testing in a single Trust taking part in the

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