The purity of this product is not determined.
199443
Aluminum oxide
activated, basic, Brockmann I
Synonym(s):
Alumina
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About This Item
Linear Formula:
Al2O3
CAS Number:
Molecular Weight:
101.96
EC Number:
MDL number:
UNSPSC Code:
12352311
eCl@ss:
38120402
PubChem Substance ID:
NACRES:
SB.52
Pricing and availability is not currently available.
Recommended Products
grade
Brockmann I
activated
standard grade
Quality Level
Agency
suitable for EPA 1613
form
powder
manufacturer/tradename
CAMAG 5016-A-I
technique(s)
solid phase extraction (SPE): suitable
impurities
<0.03% Fe2O3
<0.4% Na2O
particle size
~150 mesh
pore size
58 Å pore size
pH
9.5±0.5 ( in H2O)
mp
2040 °C (lit.)
anion traces
chloride (Cl-): none detected
silicate (as SiO2): <0.03%
SMILES string
O=[Al]O[Al]=O
InChI
1S/2Al.3O
InChI key
TWNQGVIAIRXVLR-UHFFFAOYSA-N
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General description
Brockmann aluminum oxides are suitable for column chromatography and adsorptive filtration.
The product is basic activated aluminum oxide (Alumina, Al2O3) having an activity grade Brockman I. The mechanism of formation of protective scales of α-Al2O3 on surfaces of binary M-Al (M = Fe, Ni or Co) alloys at high temperatures has been studied.[1] Activated aluminum oxides having different acidities and water concentrations (having Brockmann activity I-V) can easily detect various types of water (namely free water, pore water, and bound water) on the aluminum oxide present in soils.[2]
Application
Aluminum oxide (Alumina) has been used for the removal of peroxides from the dehydration solvent (tetrahydrofuran, THF) in a protocol. Protocol involved the high resolution study of fine brain anatomy of fluorescently labeled mouse brains.[3]
It may be used in the fabrication of polycrystalline lithium iodide-aluminum oxide solid electrolytes. The incorporation of aluminum oxide remarkably increased the conductivity of lithium iodide.[4]
It may be used in the fabrication of polycrystalline lithium iodide-aluminum oxide solid electrolytes. The incorporation of aluminum oxide remarkably increased the conductivity of lithium iodide.[4]
Storage Class Code
11 - Combustible Solids
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Micron-scale resolution optical tomography of entire mouse brains with confocal light sheet microscopy.
Silvestri L, et al.
Journal of Visualized Experiments, 80, e50696-e50696 (2013)
Conduction Characteristics of the Lithium Iodide-Aluminum Oxide Solid Electrolytes.
Liang CC.
Journal of the Electrochemical Society, 120(10), 1289-1292 (1973)
Prescott R and Graham MJ.
Oxidation of Metals, 38(3-4), 233-254 (1992)
Thermoanalytical studies of water on activated alumina, Brockmann I-V,(acid, neutral, basic) from- 60? to+ 700? C.
Hampson JW and Bleam WF.
Thermochimica Acta, 288(1), 179-189 (1996)
Colin J Ingham et al.
Biotechnology advances, 30(5), 1089-1099 (2011-08-23)
Porous aluminum oxide (PAO) is a ceramic formed by an anodization process of pure aluminum that enables the controllable assembly of exceptionally dense and regular nanopores in a planar membrane. As a consequence, PAO has a high porosity, nanopores with
Related Content
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
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Which is the purity level of the Aluminum Oxide ref 199443?
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How can I determine the shelf life / expiration / retest date of this product?
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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.
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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.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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What is the density of product number 199443?
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In general, density information is typically available for most liquids. However, if a product is supplied in very small quantities, density information may not be available for all liquids. On the other hand, density information is not usually available for solids. Occasionally, you may find density information in Section 9 of the Safety Data Sheet, but in this case, the SDS states that no information is available. It is also advisable to check the Properties section of the product page, although it is uncommon to find "bulk density" values for solids in this section. Upon reviewing the Specification Sheet, it is indicated that the product only appears as a powder. Consequently, the density might vary depending on whether the lot in question is a fine, medium, or coarse powder. This variability is a likely reason why density is not measured for this or other powders.
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