199966
Oxyde d′aluminium
Brockmann I, standard grade, activated, acidic
Synonyme(s) :
Alumina
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A propos de cet article
Formule linéaire :
Al2O3
Numéro CAS:
Poids moléculaire :
101.96
PubChem Substance ID:
eCl@ss:
38120402
UNSPSC Code:
12352311
NACRES:
SB.52
EC Number:
215-691-6
MDL number:
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Laissez-nous vous aiderInChI key
TWNQGVIAIRXVLR-UHFFFAOYSA-N
InChI
1S/2Al.3O
SMILES string
O=[Al]O[Al]=O
agency
suitable for EPA 1613
form
powder
manufacturer/tradename
CAMAG 504-C-I
greener alternative product characteristics
Design for Energy Efficiency
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technique(s)
ion chromatography: suitable
impurities
<0.03% Fe2O3, <0.03% SiO2, <0.4% Na2O
particle size
50-300 mesh
pore size
58 Å pore size
pH
4.5±0.5 ( in H2O)
mp
2040 °C (lit.)
anion traces
chloride (Cl-): ≤0.14 (mval/g)
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Quality Level
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General description
Brockmann aluminum oxides are suitable for column chromatography and adsorptive filtration.
The mechanism of formation of protective scales of α-Al2O3 (aluminum oxide) on surfaces of binary M-Al (M = Fe, Ni or Co) alloys at high temperatures has been studied. 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.
We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. Aluminum oxide serves as a multifunctional additive or coating in lithium-ion batteries, helping stabilize electrode–electrolyte interfaces, suppress side reactions, improve thermal stability, and extend cycle life. By enabling safer, longer-lasting cells, it reduces material waste and energy use across the battery lifecycle. Click here for more information.
Application
Aluminum oxide (Alumina) may be 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. 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.
Aluminum oxide (acidic) can be used as an adsorbent for column chromatography. It may be used as an active surface for the acylation of aromatic ethers with carboxylic acids in the presence of trifluoroacetic anhydride under solvent-free conditions.
flash_point_f
Not applicable
flash_point_c
Not applicable
Classe de stockage
13 - Non Combustible Solids
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A simple, efficient, and selective method for tetrahydropyranylation of alcohols on a solid phase of alumina impregnated with zinc chloride.
Ranu BC and Saha M.
The Journal of Organic Chemistry, 59(26), 8269-8270 (1994)
Efficient Syntheses of (a-Fluoropropargyl) phosphonate Esters.
Benayoud F, et al.
The Journal of Organic Chemistry, 61(15), 5159-5164 (1996)
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)
Sebastiaan P van Kessel et al.
Nature communications, 10(1), 310-310 (2019-01-20)
Human gut microbiota senses its environment and responds by releasing metabolites, some of which are key regulators of human health and disease. In this study, we characterize gut-associated bacteria in their ability to decarboxylate levodopa to dopamine via tyrosine decarboxylases.
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