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Merck
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Documenti

900783

Sigma-Aldrich

Silica

mesoporous MCM-48, <15 μm particle size, pore size 3 nm, thiol functionalized

Sinonimo/i:

Mesoporous silica, Thiol functionalized MCM-48, Thiol functionalized mesoporous slica

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About This Item

Codice UNSPSC:
12352309

Livello qualitativo

100

Forma fisica

solid

Area superficiale

1400-1600 m2/g

Dimensione particelle

<15 μm

Dimensione pori

0.4-0.6 cm3/g pore volume
2-4 nm pore diameter
3 nm pore size

Gruppo funzionale

thiol

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Categorie correlate

Applicazioni

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.

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H317 - H412

Classi di pericolo

Aquatic Chronic 3 - Skin Sens. 1

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Certificati d'analisi (COA)

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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
T Suami et al.
Carbohydrate research, 53(2), 239-246 (1977-02-01)
The aminocyclitol antibiotic neamine has been modified chemically by removing one or two hydroxyl groups from the 2-deoxystreptamine moiety to give 5- and 6- deoxyneamines (5 and 10), as well as 5,6-dideoxyneamine (15). Their antimicrobial activities were determined against several

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