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Key Documents

83340

Sigma-Aldrich

Areia, quartzo branco

purum p.a., powder

Sinônimo(s):

Dióxido de silício, Quartzo

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About This Item

Fórmula linear:
SiO2
Número CAS:
Peso molecular:
60.08
Número CE:
Número MDL:
Código UNSPSC:
12352300
ID de substância PubChem:
NACRES:
NA.21

grau

purum p.a.

forma

powder

perda

≤0.3% loss on ignition, 900 °C

tamanho de partícula

>230 mesh

traços de ânion

chloride (Cl-): ≤50 mg/kg

traços de cátion

Ca: ≤200 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤200 mg/kg
K: ≤1000 mg/kg
Na: ≤150 mg/kg
Ni: ≤50 mg/kg
Pb: ≤100 mg/kg
Zn: ≤50 mg/kg

cadeia de caracteres SMILES

O=[Si]=O

InChI

1S/O2Si/c1-3-2

chave InChI

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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Descrição geral

The product is sand, white quartz (SiO2). Its reaction with alkaline NaNO3 solutions containing dissolved Al at 89°C has been investigated.

Aplicação

Sand, white quartz (quartz) has been employed as a solid sample to evaluate the pore-volume variations during fluid-rock interaction experiments.

Nota de análise

metal and chloride traces refer to acid-soluble parts

Pictogramas

Health hazard

Palavra indicadora

Danger

Frases de perigo

Declarações de precaução

Classificações de perigo

STOT RE 1 Inhalation

Órgãos-alvo

Lungs

Código de classe de armazenamento

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

Classe de risco de água (WGK)

nwg

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable


Certificados de análise (COA)

Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “Batch”.

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Pore-volume alteration measurements to evaluate scale formation during solid-fluid interactions.
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Mineralogical Magazine, 78(6), 1399-1403 (2014)
B R Bickmore et al.
Environmental science & technology, 35(22), 4481-4486 (2002-01-05)
Caustic NaNO3 solutions containing dissolved Al were reacted with quartz sand at 89 degrees C to simulate possible reactions between leaked nuclear waste and primary subsurface minerals at the U.S. Department of Energy's Hanford site in Washington. Nitrate-cancrinite began to
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In order to avoid both natural and artificial stone decay, mainly due to the interaction with atmospheric pollutants (both gases such as NOx and SO2 and particulate matter), polymeric materials have been widely studied as protective coatings enable to limit

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