The minimum particle size is not determined for this product. It is listed and has a specification of 'white to off-white powder'. The method used in the manufacture of this product typically results in an average particle size range of 70-290 mesh (50-200 μm).
A1522
Óxido de alúmina
Type WN-6, Neutral, Activity Grade Super I
Sinónimos:
Alúmina
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About This Item
Fórmula lineal:
Al2O3
Número de CAS:
Peso molecular:
101.96
EC Number:
MDL number:
UNSPSC Code:
12352311
eCl@ss:
38120402
PubChem Substance ID:
NACRES:
SB.52
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Quality Level
type
Type WN-6, Neutral
form
powder
mp
2040 °C (lit.)
SMILES string
O=[Al]O[Al]=O
InChI
1S/2Al.3O
InChI key
TWNQGVIAIRXVLR-UHFFFAOYSA-N
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General description
Aluminum oxide (alumina, Al2O3), a metal oxide,[1] is a common raw material for manufacturing ceramics. It is a good electrical insulator that shows stability at high temperature and resistance to chemicals.[2] Alumina is an important source for aluminum and can be prepared from high-alumina ladle furnace refining slag.[3] It can enhance the reaction rate of aldose to ketose conversion by Lobry de Bruyn–Alberda van Ekenstein transformation.[4] It is a key constituent of NOx storage catalysts (NSC), which are employed to get rid of nitrogen oxides from the exhaust gas of lean burn engines.[5] Its surface passivation characteristics on crystalline silicon makes it a vaiable candidate in silicon solar cell production.[5]
Application
Aluminum oxide was used in the disposable alumina columns, to determine the adenylyl cyclase (AC) activity during the interaction of 2,3-O-(2,4,6-trinitrophenyl)-substituted nucleoside 5-triphosphates (TNP-NTPs)with VC1:IIC2 (purified catalytic subunits of membranous AC).[6] It may be used as a dopant to produce optical fiber amplifiers and high-power fiber lasers.[7]
Storage Class
13 - Non Combustible Solids
wgk_germany
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
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Srividya Suryanarayana et al.
The Journal of pharmacology and experimental therapeutics, 330(3), 687-695 (2009-06-06)
Adenylyl cyclases (ACs) catalyze the conversion of ATP into the second messenger cAMP and play a key role in signal transduction. In a recent study (Mol Pharmacol 70:878-886, 2006), we reported that 2',3'-O-(2,4,6-trinitrophenyl)-substituted nucleoside 5'-triphosphates (TNP-NTPs) are potent inhibitors (K(i)
Aldose-ketose interconversion in pyridine in the presence of aluminium oxide.
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Alumina extraction from high-alumina ladle furnace refining slag.
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Nonlinear relaxational polarization in aluminum oxide.
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