20325
Porapak™ Porous Polymer Adsorbent
matrix Porapak N, 80-100 mesh, bottle of 75 cc
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About This Item
UNSPSC Code:
23201100
form
solid
Quality Level
packaging
bottle of 75 cc
parameter
190 °C temp. limit
technique(s)
gas chromatography (GC): suitable
surface area
~300 m2/g
matrix
Porapak N
particle size
80-100 mesh
density
~0.41 g/mL (free fall density)
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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™ N is a porous polymer bead which provides significantly lower background at the carbon emission line. They are suitable in separating H2, CH4, CO2.
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
Stainless steel columns packed with Porapak™ N and molecular sieve maybe used for the separation and determination of micro-quantities of formic, acetic, propionic, isobutyric, butyric, 3-methylbutyric and valeric acids present in biological media as end-products of microbial fermentation.
Legal Information
PoraPak is a trademark of Waters
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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