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83340

Sigma-Aldrich

Sabbia, quarzo bianco

purum p.a., powder

Sinonimo/i:

Biossido di silicone, Quarzo

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About This Item

Formula condensata:
SiO2
Numero CAS:
Peso molecolare:
60.08
Numero CE:
Numero MDL:
Codice UNSPSC:
12352300
ID PubChem:

Grado

purum p.a.

Livello qualitativo

Forma fisica

powder

Perdita

≤0.3% loss on ignition, 900 °C

Dimensione particelle

>230 mesh

Anioni in tracce

chloride (Cl-): ≤50 mg/kg

Cationi in tracce

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

Stringa SMILE

O=[Si]=O

InChI

1S/O2Si/c1-3-2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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Descrizione generale

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

Applicazioni

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

Risultati analitici

metal and chloride traces refer to acid-soluble parts

Pittogrammi

Health hazard

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

STOT RE 1 Inhalation

Organi bersaglio

Lungs

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

nwg

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


Certificati d'analisi (COA)

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Pore-volume alteration measurements to evaluate scale formation during solid-fluid interactions.
Moola P, et al.
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
Mukesh K Jaiswal et al.
Journal of reproductive immunology, 112, 38-45 (2015-08-01)
The a2 isoform of vacuolar-ATPase (ATP6V0A2, referred to as a2V) is required for normal spermatogenesis and maturation of sperm. Treatment of male mice with anti-a2V disturbs the testicular cytokine/chemokine balance and leads to severe deficiencies of spermatogenesis. The aim of
Mukesh K Jaiswal et al.
Journal of leukocyte biology, 96(2), 337-347 (2014-03-14)
a2V is required for maturation of sperm. The decreased expression of a2V at the feto-maternal interphase causes poor pregnancy outcome. The present study examined the role of a2V in spermatogenesis and inflammatory network in the testis. A single dose of
G Cappelletti et al.
Environmental science and pollution research international, 22(22), 17733-17743 (2015-07-15)
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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