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About This Item
UNSPSC Code:
23201100
NACRES:
NB.21
form
solid
Quality Level
packaging
bottle of 75 cc
parameter
250 °C temp. limit
technique(s)
gas chromatography (GC): suitable
surface area
~375 m2/g
matrix
Porapak S
particle size
80-100 mesh
density
~0.35 g/mL (free fall density)
General description
Porous polymers are the most suitable adsorbent for applications based on the analysis of gases, acids, amines, organics of low carbon number and water. They are best suited for gas chromatography and are basically copolymers of polydivinylbenzene (DVB) which are very porous in nature ranging from mesoporous to microporous. Porapak™ S is a porous polymer composed of vinyl pyridine and is most suitable for separation of normal and branched alcohols.
Porapak porous polymers are spherical beads with consistent particle size, porosity, and surface area that help to insure analytical precision and accuracy.
For more information about any of our adsorbents, please visit sigma-aldrich.com/adsorbents
For more information about any of our adsorbents, please visit sigma-aldrich.com/adsorbents
Application
Porapak™ S maybe used in isothermal gas chromatographic analysis of light gases, for detection and separation of CO2, C2H2, C2H4 and C2H6.
Legal Information
PoraPak is a trademark of Waters
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Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Grob RL and Barry EF.
Modern Practice of Gas Chromatography, 79-83 (2004)
A new column system for isothermal gas chromatographic analysis of light gases (H2, O2, N2, CO, CH4, CO2, C2H4, C2H6 and C2H2) employing a column switch technique.
Deans DR
Chromatographia, 4 (7), 279-285 (1971)
Poole C.
Gas Chromatography, 127-130 (2012)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 20337 | 04061833656679 |