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Merck

11021-U

Graphsphere™ Carbon Adsorbent

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

Sinónimos:

polymeric adsorbent, FormerlyCarboxen® 1016, 60-80 mesh

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UNSPSC Code:
23201100
EC Number:
215-609-9
NACRES:
SB.54

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Nombre del producto

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

description

Formally Carboxen® 1016

product line

Carboxen®, Graphsphere™

form

powder

packaging

bottle of 10 g

technique(s)

LPLC: suitable

surface area

~75 m2/g

matrix

Formally Carboxen® 1016, Graphsphere™ 2016

matrix active group

carbon

particle size

60-80 mesh

pore size

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

density

~0.41 g/mL (free fall density)

application(s)

sample preparation

separation technique

reversed phase

Quality Level

100

Categorías relacionadas

General description

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

Legal Information

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

Clase de almacenamiento

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificados de análisis (COA)

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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

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