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Carbopack™ Carbon Adsorbent

matrix Carbopack™ X, 120-400 mesh, bottle of 50 g

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About This Item

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

product name

Carbopack™ Adsorbent, matrix Carbopack™ X, 120-400 mesh, bottle of 50 g

product line

Carbopack™

form

granular

packaging

bottle of 50 g

technique(s)

LPLC: suitable

surface area

~240 m2/g

matrix

Carbopack™ X

matrix active group

carbon

particle size

120-400 mesh

pore size

~0.62 cm3/g mesoporosity
~0 cm3/g macroporosity
~0 cm3/g microporosity
~100 Å pore diameter

density

~0.39 g/mL (free fall density)

separation technique

reversed phase

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General description

Carbotrap® X has a very high specific surface area and was used for the recovery of low boiling hydrocarbons like 1,3-butadiene and isoprene.
Carbotrap®/Carbopack™ adsorbent can withstand high bake-out temperature without losing the mechanical and chemical integrity. It has a high affinity for isoprene and does not retain significant amounts of water. Furthermore it has a tendency to pulverize if it is packed too tightly.
A graphitized carbon black (GCB) can be non-porous or porous. 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 particles are:
  • Granular
  • Friable
  • Used for molecules with an analyte size relative to C3-C20+ n-alkanes
  • Hydrophobic (can be used in high humidity environments)

Generally, GCB adsorbents offer weaker relative adsorptive strength compared to carbon molecular sieve (CMS) adsorbents, and similar relative adsorptive strength compared to spherical graphitized polymer carbon (SGPC) adsorbents. Our Carbopack products are a type of GCB adsorbent.
  • Particles are 40 mesh and smaller
  • Use 40/60 mesh to prevent channeling (if observed with a 20/40 mesh Carbotrap® adsorbent)
  • Use smaller mesh (60/80, 80/100, etc.) for all other applications
  • Use the smallest particle size available as long as the application can handle the pressure drop

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

Legal Information

Carbopack is a trademark of Merck KGaA, Darmstadt, Germany
Carbotrap is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Stability of reactive low boiling hydrocarbons on carbon based adsorbents typically used for adsorptive enrichment and thermal desorption.
Dettmer K, et al.
Fresenius Journal of Analytical Chemistry, 366 (1), 70-78 (2000)
Comparison of Tenax TA and Carbotrap for sampling and analysis of volatile organic compounds in air.
Rothweiler H, et al.
Atmospheric Environment, 25 (2), 231-235 (1991)
Plant Volatile Analysis.
Linskens HF and Jackson JF.
Modern Methods of Plant Analysis, 19, 54-56 (1997)
Li-Ming Yuan et al.
Analytical chemistry, 78(18), 6384-6390 (2006-09-15)
Single-walled carbon nanotubes (SWNTs) have high surface area, high adsorption ability, and nanoscale interactions. In this study, capillary columns including SWNTs, ionic liquid (IL), and IL + SWNTs for GC were prepared. The separation results showed that SWNTs possessed a
P W Langvardt et al.
American Industrial Hygiene Association journal, 40(11), 1006-1012 (1979-11-01)
A gas chromatographic procedure is described which is capable of measuring both polar and non-polar organic solvents present simultaneously in the work environment at concentrations between 1/100 and 1 times the Threshold Limit Values (TLV). Airborne organics are collected on
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Articles

High Purity Carbon Adsorbents for Chromatography

Synthetic CMS carbons offer tailored adsorbents for specific applications.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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