Ugrás a tartalomra
Merck
Összes fotó(1)

Fontos dokumentumok

11047-U

Supelco

Carbotrap® Carbon Adsorbent

matrix Carbotrap® C, 20-40 mesh, bottle of 500 g

Bejelentkezésa Szervezeti és Szerződéses árazás megtekintéséhez
Összes fotó(1)

About This Item

EC-szám:
215-609-9
UNSPSC kód:
23201100
NACRES:
SB.54

Terméknév

Carbotrap® Adsorbent, matrix Carbotrap® C, 20-40 mesh, bottle of 500 g

termékcsalád

Carbotrap®

Minőségi szint

100

Forma

granular

kiszerelés

bottle of 500 g

technika/technikák

LPLC: suitable
gas chromatography (GC): suitable

külső felület

~10 m2/g

Mátrix

Carbotrap® C

mátrix aktív csoport

carbon

részecskeméret

20-40 mesh

pórusméret

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

térfogatsúly

~0.70 g/mL (free fall density)

elválasztástechnika

reversed phase

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Általános leírás

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 Carbotrap products are a type of GCB adsorbent.
  • Particles are 20/40 mesh
  • These large particles allow high flow rates without excessive pressure drops

For more information about any of our specialty carbon adsorbents, please visit sigma-aldrich.com/carbon
Carbotrap® C was used for the sampling and quantitative analysis of microbially produced volatiles using thermal desorption-gas chromatography.
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.

Jogi információk

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

Tárolási osztály kódja

11 - Combustible Solids

WGK

nwg

Lobbanási pont (F)

Not applicable

Lobbanási pont (C)

Not applicable

Egyéni védőeszköz

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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Analitikai tanúsítványok (COA)

Lot/Batch Number

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Dokumentumtár megtekintése

Evaluation of adsorbents for sampling and quantitative analysis of microbial volatiles using thermal desorption-gas chromatography.
Sunesson A, et al.
Journal of Chromatography A, 699 (1), 203-214 (1995)
Plant Volatile Analysis.
Linskens HF and Jackson JF.
Modern Methods of Plant Analysis, 19, 54-56 (1997)
S Ghittori et al.
Giornale italiano di medicina del lavoro, 10(4-5), 201-205 (1988-07-01)
A laboratory study, using generated atmosphere containing 0.14/23.3 mg/m3 of Benzene, was conducted to adapt an existing industrial hygiene monitoring method for measuring low concentrations of Benzene. This method was developed to determine concentrations of Benzene in the ambient air
Florian Gahleitner et al.
Bioanalysis, 5(18), 2239-2247 (2013-09-24)
In-community non-invasive identification of asthma-specific volatile organic compounds (VOCs) in exhaled breath presents opportunities to characterize phenotypes, and monitor disease state and therapies. The feasibility of breath sampling with children and the preliminary identification of childhood asthma markers were studied.
S Ghittori et al.
Journal of toxicology and environmental health, 38(3), 233-243 (1993-03-01)
Benzene concentrations in urine samples (Cu, ng/L) from 110 workers exposed to benzene in chemical plants and gasoline pumps were determined by injecting urine supernate into a gas chromatograph. The urine was saturated with anhydrous N2SO4 to facilitate the passage
View All Related Papers

Cikkek

High Purity Carbon Adsorbents for Chromatography

Synthetic CMS carbons offer tailored adsorbents for specific applications.

Tudóscsoportunk valamennyi kutatási területen rendelkezik tapasztalattal, beleértve az élettudományt, az anyagtudományt, a kémiai szintézist, a kromatográfiát, az analitikát és még sok más területet.

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