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31624

Sigma-Aldrich

Areia, quartzo branco

acid washed and calcined, Analytical Reagent

Sinônimo(s):

Dióxido de silício, Quartzo

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About This Item

Fórmula linear:
SiO2
Número CAS:
14808-60-7
Peso molecular:
60.08
Número CE:
238-878-4
Número MDL:
MFCD00011232
Código UNSPSC:
12352300
ID de substância PubChem:
57648587
NACRES:
SB.52

forma

granular

qualidade

acid washed and calcined, Analytical Reagent

Impurezas

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

perda

≤0.10% loss on ignition, 900 °C

granulação

0.1-0.3 mm, coeff var ≥96%

traços de ânion

chloride (Cl-): ≤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

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.

Aplicação

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.

Código de classe de armazenamento

13 - Non Combustible Solids

Classe de risco de água (WGK)

nwg

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

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

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Certificados de análise (COA)

Lot/Batch Number
STBJ3294
STBK6338
STBK6337
STBH4589
STBG6105V

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Silicon dioxide purum p.a., acid purified

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Areia, quartzo branco NIST® SRM® 1413, high alumina

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Silicon dioxide −325 mesh, 99.5% trace metals basis

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Silicon dioxide

Sand Standard, washed and dried

Supelco

SX0075

Sand

Silicon dioxide fused (granular), 4-20 mesh, 99.9% trace metals basis

Sigma-Aldrich

342831

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Areia, quartzo branco NIST® SRM® 165a, low iron

NIST165A

Areia, quartzo branco

Areia do mar purified by acid and calcined for analysis

Supelco

1.07712

Areia do mar

Dióxido de silício colloidal, highly dispersed, EMPROVE® ESSENTIAL, Ph. Eur., JP, NF, E 551

SAFC

1.13126

Dióxido de silício

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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