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11432

Sigma-Aldrich

Barium sulfate

puriss., meets analytical specification of Ph. Eur., BP, 97.5-100.5%

Synonym(s):

Baryte

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About This Item

Linear Formula:
BaSO4
CAS Number:
Molecular Weight:
233.39
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.21
assay:
97.5-100.5%
form:
powder

grade

puriss.

assay

97.5-100.5%

form

powder

quality

meets analytical specification of Ph. Eur., BP

impurities

acidity or alkalinity, complies
oxidisable S-compounds, complies
residual solvents, complies
soluble Barium salts, complies
≤0.001% heavy metals (as Pb)
≤0.3% soluble in acid

loss

≤2% loss on ignition, 600 °C

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

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Storage Class

13 - Non Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


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Scanning electron microscopic and kinetic studies of the crystallization and dissolution of barium sulfate crystals.
Liu ST, et al.
Journal of Crystal Growth, 33(1), 11-20 (1976)
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)
Synthesis of barium sulfate nanoparticles and nanofilaments in reverse micelles and microemulsions.
Hopwood JD and Mann S.
Chemistry of Materials, 9(8), 1819-1828 (1997)
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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