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799319

Sigma-Aldrich

Aluminum oxide

activated, neutral, Brockmann I, free-flowing, Redi-Dri™

Synonym(s):

Alumina

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500 G
$88.40
1 KG
$133.00

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500 G
$88.40
1 KG
$133.00

About This Item

Linear Formula:
Al2O3
CAS Number:
1344-28-1
Molecular Weight:
101.96
EC Number:
215-691-6
MDL number:
MFCD00003424
UNSPSC Code:
12352311
PubChem Substance ID:
329768703
NACRES:
NA.21

$88.40

In StockDetails

Request a Bulk Order

grade

Brockmann I
activated
standard grade

Quality Level

100

product line

Redi-Dri™

form

powder

manufacturer/tradename

CAMAG 507-C-I

technique(s)

ion chromatography: suitable

surface area

155 m2/g

impurities

<0.03% Fe2O3
<0.03% SiO2
<0.4% Na2O

particle size

50-300 mesh

pore size

58 Å pore size

pH

7.0±0.5 ( in H2O)

mp

2040 °C (lit.)

anion traces

chloride (Cl-): ≤0.03 (mval/g)

SMILES string

O=[Al]O[Al]=O

InChI

1S/2Al.3O

InChI key

TWNQGVIAIRXVLR-UHFFFAOYSA-N

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Packaging

Brockmann aluminum oxides are suitable for column chromatography and adsorptive filtration.

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

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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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Certificates of Analysis (COA)

Lot/Batch Number
BCCJ1008
BCBZ6848
BCBT5742
BCBW0672
BCBR4739V

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Carbon nanotube bundles self-assembled in double helix microstructures.
Cervantes-Sodi F, et al.
Carbon, 50(10), 3688-3693 (2012)
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)
Chien-Chih Lin et al.
Nanoscale, 5(17), 8090-8097 (2013-07-25)
We demonstrated a promising route for enhancing temperature sensitivity, improving saturation voltage, and reducing power consumption of the MOS(p) tunneling temperature sensors by introducing ultrathin Al2O3 into the dielectric stacks. Detailed illustrations of the working mechanism and device concept are
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
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Redi-Dri™ – The World of Free-flowing Hygroscopic Products

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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