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11021-U

Supelco

Graphsphere™ Adsorbent

matrix Graphsphere™ 2016, 60-80 mesh, bottle of 10 g

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About This Item

Numéro CE :
215-609-9
Code UNSPSC :
23201100
Nomenclature NACRES :
SB.54

Description

Formally Carboxen® 1016

Niveau de qualité

100

Gamme de produits

Carboxen®
Graphsphere™

Forme

powder

Conditionnement

bottle of 10 g

Technique(s)

LPLC: suitable

Superficie

~75 m2/g

Matrice

Formally Carboxen® 1016
 Graphsphere™ 2016

Groupe de la matrice active

carbon

Taille des particules

60-80 mesh

Dimension de pores

~0.34 cm3/g mesoporosity
~0 cm3/g macroporosity
~0 cm3/g microporosity
~0 Å pore diameter

Densité

~0.41 g/mL (free fall density)

Application(s)

sample preparation

Technique de séparation

reversed phase

Catégories apparentées

Description générale

A spherical graphitized polymer carbon (SGPC) has an innovative structure; a porous or non-porous core (the carbon framework that remains after pyrolysis of polymeric precursor), and a graphitized shell of a controlled thickness. The graphitization process results in a highly pure surface with great adsorption and desorption (if required) properties. Surface interactions depend solely on dispersion (London) forces. These amorphous/graphitic adsorbents are:
  • Spherical (better packed bed performance than granular particles)
  • Hard and non-friable (pack well, will not break)
  • Used for molecules with an analyte size relative to C5-C12 n-alkanes
  • Hydrophobic (can be used in high humidity environments)

Generally, SGPC adsorbents offer weaker relative adsorptive strength compared to carbon molecular sieve (CMS) adsorbents, and similar relative adsorptive strength compared to graphitized carbon black (GCB) adsorbents. Our Graphsphere™ products are a type of SGPC adsorbent. They are great alternatives to GCB adsorbents (which are granular and friable).

For more information about any of our specialty carbon adsorbents, please visit sigma-aldrich.com/carbon

Informations légales

Carboxen is a registered trademark of Merck KGaA, Darmstadt, Germany
Graphsphere is a trademark of Sigma-Aldrich Co. LLC

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

nwg

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

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Certificats d'analyse (COA)

Lot/Batch Number

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Applications of Solid Phase Microextraction.
Pawliszyn J.
Science, 64-65 (1999)
B D Page et al.
Journal of chromatography. A, 873(1), 79-94 (2000-04-11)
The headspace solid-phase microextraction (HS-SPME) efficiencies from vegetable oil of the recently available Carboxen-poly(dimethylsiloxane) (PDMS) and divinylbenzene-Carboxen-PDMS fibres were found to be much greater than those of the PDMS fibre for a number of volatile contaminants. Using these Carboxen-based fibres
Jan Pollmann et al.
Journal of chromatography. A, 1134(1-2), 1-15 (2006-10-03)
Nine commercial solid adsorbent materials (in order of decreasing surface area: Carboxen 1000, Carbosieve S III, molecular sieve 5A, molecular sieve 4A, silica gel, Carboxen 563, activated alumina, Carbotrap and Carboxen 1016) were investigated for their ability to trap and

Articles

High Purity Carbon Adsorbents for Sample Preparation and Chromatographic Applications

Carbon Molecular sieves (CMS) are a versatile range of adsorbents that can be tailored for specific applications. Supelco® scientists have been synthesizing synthetic CMS carbons for several decades, starting from tailoring of the starting polymers/copolymers, to modifying the final properties of the subsequent CMS carbon.

Notre équipe de scientifiques dispose d'une expérience dans tous les secteurs de la recherche, notamment en sciences de la vie, science des matériaux, synthèse chimique, chromatographie, analyse et dans de nombreux autres domaines..

Contacter notre Service technique