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Merck
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Documentos Principais

900777

Sigma-Aldrich

Silica

mesoporous SBA-16, <150 μm particle size, pore size 5 nm, thiol functionalized

Sinônimo(s):

Mesoporous slica, Thiol functionalized SBA-16, Thiol functionalized mesoporous slica

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About This Item

Código UNSPSC:
12352309

forma

powder

tamanho de partícula

<150 μm

tamanho de poro

5 nm pore size

grupo funcional

thiol

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Aplicação

The unique physical properties such as high surface areas and ordered pore structure of mesoporous silica combined with the selectivity of amine and thiol functional groups make them useful for diverse applications. For example amine and thiol modified mesoporous silica finds applications in CO2 sequestration, heavy metal (such as Pb, Fe, Au etc.) removal from waste water or industrial waste streams. Also, the ability of the amine and thiol modified mesoporous silica to bind the metallic nanoparticles such as Pt or Pd render them useful as novel catalytic support. The functionalization of mesoporous silica with amine and thiol also makes them useful for entrapping biological entities and for investigations involving the study of the effect of quantum confinements of molecules/solvent within the ordered mesopores.

Pictogramas

Exclamation mark
GHS07

Palavra indicadora

Warning

Frases de perigo

H317,H412

Classificações de perigo

Aquatic Chronic 3 - Skin Sens. 1

Código de classe de armazenamento

13 - Non Combustible Solids

Classe de risco de água (WGK)

WGK 2

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

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Certificados de análise (COA)

Lot/Batch Number
MKCD4333

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Sílica SBA-15, 99% trace metals basis

Sigma-Aldrich

777242

Sílica

Sílica mesoporous, 1&#160;&#956;m particle size, pore size ~2&#160;nm

Sigma-Aldrich

806811

Sílica

Gel de sílica high-purity grade (Davisil Grade 643), pore size 150&#160;Å, 200-425&#160;mesh

Supelco

236810

Gel de sílica

vibrant-m

LB1

Latex beads, polystyrene

Gel de sílica high-purity grade (Davisil Grade 633), pore size 60&#160;Å, 200-425&#160;mesh particle size

Supelco

236772

Gel de sílica

Chenghong Lei et al.
Journal of the American Chemical Society, 124(38), 11242-11243 (2002-09-19)
The enzyme organophosphorus hydrolase (OPH) was spontaneously entrapped in carboxylethyl- or aminopropyl-functionalized mesoporous silica with rigid, uniform open-pore geometry (30 nm). This approach yielded larger amounts of protein loading and much higher specific activity of the enzyme when compared to
Bob Grünberg et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 10(22), 5689-5696 (2004-10-08)
The adsorption of water in two mesoporous silica materials with cylindrical pores of uniform diameter, MCM-41 and SBA-15, was studied by 1H MAS (MAS=magic angle spinning) and static solid-state NMR spectroscopy. All observed hydrogen atoms are either surface -SiOH groups
Synthesis of Gold Catalysts Supported on Mesoporous Silica Materials: Recent Developments.
Gutierrez LF, et al.
Catalysts, 1, 97-154 (2011)
Aoife M Burke et al.
Journal of hazardous materials, 164(1), 229-234 (2008-09-23)
Here we demonstrate aminopropyl and mercatopropyl functionalised and bi-functionalised large pore mesoporous silica spheres to extract various metal ions from aqueous solutions towards providing active sorbents for mitigation of metal ion pollution. Elemental analysis (EA) and FTIR techniques were used
Amrit Kumar et al.
Angewandte Chemie (International ed. in English), 54(48), 14372-14377 (2015-10-07)
Sequestration of CO2, either from gas mixtures or directly from air (direct air capture, DAC), could mitigate carbon emissions. Here five materials are investigated for their ability to adsorb CO2 directly from air and other gas mixtures. The sorbents studied

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