추천 제품
product name
Graphsphere™ Adsorbent, matrix Graphsphere™ 2016, 60-80 mesh, bottle of 10 g
설명
Formally Carboxen® 1016
Quality Level
제품 라인
Carboxen®
Graphsphere™
형태
powder
포장
bottle of 10 g
기술
LPLC: suitable
표면적
~75 m2/g
기질
Formally Carboxen® 1016
Graphsphere™ 2016
기질 활성군
carbon
입자 크기
60-80 mesh
공극 크기
~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)
응용 분야
sample preparation
분리 기술
reversed phase
일반 설명
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:
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
- 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
법적 정보
Carboxen is a registered trademark of Merck KGaA, Darmstadt, Germany
Graphsphere is a trademark of Sigma-Aldrich Co. LLC
Storage Class Code
11 - Combustible Solids
WGK
nwg
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
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이미 열람한 고객
Applications of Solid Phase Microextraction.
Science, 64-65 (1999)
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
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
문서
Synthetic CMS carbons offer tailored adsorbents for specific applications.
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