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701491

Sigma-Aldrich

Silicon dioxide, alumina doped

nanoparticles, dispersion, <50 nm particle size, 20 wt. % in H2O, ≥99.9% trace metals basis

Synonyme(s) :

silicic anhydride, alumina doped preparation

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About This Item

Formule linéaire :
(SiO2)x(Al2O3)y
Poids moléculaire :
60.08
Numéro MDL:
MFCD06202255
Code UNSPSC :
12352302
ID de substance PubChem :
329762295
Nomenclature NACRES :
NA.23

Niveau de qualité

100

Pureté

≥99.9% trace metals basis

Forme

dispersion
nanoparticles

Composition

aluminum, 7.5 wt. %

Concentration

20 wt. % in H2O

Superficie

75.5 m2/g , BET

Taille des particules

<50 nm

pH

4-6(neat)

Densité

1.087 g/mL at 25 °C

Chaîne SMILES 

O=[Si]=O.O=[Al]O[Al]=O

InChI

1S/2Al.O2Si.3O/c;;1-3-2;;;

Clé InChI

HNPSIPDUKPIQMN-UHFFFAOYSA-N

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Catégories apparentées

Description générale

Contains 0.025 wt. % Ammonium hydroxide.

Informations légales

Product of Engi-Mat Co.

Code de la classe de stockage

12 - Non Combustible Liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Certificats d'analyse (COA)

Lot/Batch Number
MKCH4294
MKCD3483
MKBZ0320V
MKBW0732V
MKBP0729V

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Kyle Steenland et al.
CA: a cancer journal for clinicians, 64(1), 63-69 (2013-12-12)
Silica has been known to cause silicosis for centuries, and evidence that silica causes lung cancer has accumulated over the last several decades. This article highlights 3 important developments in understanding the health effects of silica and preventing illness and
K E Kovalenko et al.
Ecological applications : a publication of the Ecological Society of America, 23(5), 1048-1060 (2013-08-24)
Boreal wetlands play an important role in global carbon balance. However, their ecosystem function is threatened by direct anthropogenic disturbance and climate change. Oil sands surface mining in the boreal regions of Western Canada denudes tracts of land of organic
Jeong Ha Yoo et al.
Journal of nanoscience and nanotechnology, 13(11), 7615-7619 (2013-11-20)
Recently, magnetic and luminescent composite silica with structure of micro- and nanospheres containing both magnetic (Fe3O4) nanoparticles (MPs) and quantum dots (QDs) has attracted great interests. In this study, we have prepared core-shell structure of silica spheres in which magnets
David M Brown et al.
Toxicology letters, 224(1), 147-156 (2014-01-28)
We investigated the effects of silica particles and nanoparticles (NPs) (50 nm and 200 nm) with a neutral and positively charged surface when dispersed in saline, bovine serum albumin (BSA) or lung lining fluid (LLF) 24 h post instillation into
C J Horwell et al.
Environmental research, 127, 63-73 (2013-11-26)
The six week eruption of Eyjafjallajökull volcano in 2010 produced heavy ash fall in a sparsely populated area of southern and south eastern Iceland and disrupted European commercial flights for at least 6 days. We adopted a protocol for the
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