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Documenti

31624

Sigma-Aldrich

Sabbia, quarzo bianco

acid washed and calcined, Analytical Reagent

Sinonimo/i:

Biossido di silicone, Quarzo

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About This Item

Formula condensata:
SiO2
Numero CAS:
14808-60-7
Peso molecolare:
60.08
Numero CE:
238-878-4
Numero MDL:
MFCD00011232
Codice UNSPSC:
12352300
ID PubChem:
57648587
NACRES:
SB.52

Forma fisica

granular

Qualità

acid washed and calcined, Analytical Reagent

Impurezze

≤0.01% in HCL soluble iron (Fe)
≤0.2% soluble in HCl

Perdita

≤0.10% loss on ignition, 900 °C

Granulazione

0.1-0.3 mm, coeff var ≥96%

Anioni in tracce

chloride (Cl-): ≤50 mg/kg

Stringa SMILE

O=[Si]=O

InChI

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

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Descrizione generale

Study of silicon-silicon dioxide structure at liquid nitrogen temperature by electron spin resonance spectra has been investigated. Diffusion coefficient and solubilities of several metals (Ag, Cu, Au, Pd, and Ti) in silicon dioxide have been discussed. Microcontact printing of self-assembled monolayers (SAMs) of alkylsiloxanes on the surface of silicon dioxide has been reported. Separation and characterization of silicon dioxide (SiO2) nanostructures in dietary supplements marketed in products specifically targeted for women has been proposed.

Applicazioni

Silicon dioxide may be employed as insulating layer on top of the silicon in the fabrication of gold electrode, used for flow injection amperometric detection of organophosphorus (OP) nerve agents.

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

nwg

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves, type N95 (US)

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Certificati d'analisi (COA)

Lot/Batch Number
STBJ3294
STBK6338
STBK6337
STBH4589
STBG6105V

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Supelco

1.07712

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Diossido di silicio colloidal, highly dispersed, EMPROVE® ESSENTIAL, Ph. Eur., JP, NF, E 551

SAFC

1.13126

Diossido di silicio

Clean Sand #4

Supelco

CLNSAND4

Clean Sand #4

Study of silicon-silicon dioxide structure by electron spin resonance I.
Nishi Y.
Jpn J. App. Phys., Part I, 10(1), 52-52 (1971)
Jin-Hee Lim et al.
Journal of agricultural and food chemistry, 63(12), 3144-3152 (2015-03-05)
Nanomaterials are beginning to enter our daily lives through various consumer products as the result of technology commercialization. The development of methodologies to detect the presence of nanomaterials in consumer products is an essential element in understanding our exposure. In
Joseph Wang et al.
Biosensors & bioelectronics, 18(2-3), 255-260 (2002-12-18)
A flow-injection system with an organophosphorus-hydrolase (OPH)-biosensor detector has been developed and characterized for the rapid detection of organophosphorus (OP) nerve agents. The enzyme was immobilized onto a thin-film gold detector through a cystamine-glutaraldehyde coupling. Factors influencing the performance were
Microcontact printing of octadecylsiloxane on the surface of silicon dioxide and its application in microfabrication.
Xia Y, et al.
Journal of the American Chemical Society, 117(37), 9576-9577 (1995)
Diffusion of metals in silicon dioxide.
McBrayer JD, et al.
Journal of the Electrochemical Society, 133(6), 1242-1246 (1986)
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