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Merck

243353

Sigma-Aldrich

Barium sulfate

ReagentPlus®, 99%

Synonim(y):

Baryte

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100 G
209,00 zł
500 G
748,00 zł
1 KG
1060,00 zł

209,00 zł


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100 G
209,00 zł
500 G
748,00 zł
1 KG
1060,00 zł

About This Item

Wzór liniowy:
BaSO4
Numer CAS:
Masa cząsteczkowa:
233.39
Numer WE:
Numer MDL:
Kod UNSPSC:
12352106
Identyfikator substancji w PubChem:
NACRES:
NA.55

209,00 zł


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klasa czystości

reagent

Poziom jakości

linia produktu

ReagentPlus®

Próba

99%

Formularz

powder

pH

7

ciąg SMILES

[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

Klucz InChI

TZCXTZWJZNENPQ-UHFFFAOYSA-L

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Opis ogólny

Barium sulphate is widely employed as an inorganic filler. Its crystals belong to the rhombic crystal system. The rhombic crystals transforms to monoclinic form at 1148°C and eventually it decomposes to barium oxide, sulfur dioxide and oxygen at temperatures above 1400°C.[1]

Zastosowanie

Barium sulfate may be used in the following studies:
  • Qualitative and quantitative analysis of Ba2+ and SO4-2 ions.[1]
  • Preparation of sulfur dioxide.[2]
  • Preparation of hybrid organic-inorganic material.[3]

Informacje prawne

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
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Kod klasy składowania

13 - Non Combustible Solids

Klasa zagrożenia wodnego (WGK)

nwg

Temperatura zapłonu (°F)

does not flash

Temperatura zapłonu (°C)

does not flash


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Dokumenty związane z niedawno zakupionymi produktami zostały zamieszczone w Bibliotece dokumentów.

Odwiedź Bibliotekę dokumentów

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)
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
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
Koji Murono et al.
Diseases of the colon and rectum, 57(6), 715-724 (2014-05-09)
Preoperative chemoradiotherapy has been widely used for the prevention of local recurrence of locally advanced rectal cancer, and the effect of chemoradiotherapy is known to be associated with overall survival. We aimed to evaluate the association of the pathologic response

Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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