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Porapak™ Porous Polymer Adsorbent

matrix Porapak QS, 50-80 mesh, bottle of 75 cc

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75 CC
$150.00

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UNSPSC Code:
23201100

$150.00

List Price$300.00Save 50%
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Available to ship onMay 02, 2025Details

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form

solid

Quality Level

100

packaging

bottle of 75 cc

parameter

250 °C temp. limit

technique(s)

gas chromatography (GC): suitable

surface area

~550 m2/g

matrix

Porapak QS

particle size

50-80 mesh

density

~0.34 g/mL (free fall density)

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General description

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
Porous polymers are the most suitable adsorbent for applications based on the analysis of gases, acids, amines, organics of low carbon number and water.[1] 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.[2]

Application

Porapak™ QS treated with 2% phosphoric acid maybe used as column packing for gas chromatographic analysis of volatile fatty acids in rumen fluid.[3]

Footnote

Porapak QS is a silanized version of Porapak Q to reduce surface adsorption.

Legal Information

PoraPak is a trademark of Waters

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Analysis of rumen fluid volatile fatty acids by chromatography with Porapak QS.
kellogg DW.
Journal of Dairy Science, 52 (10), 1690-1692 (1969)
Poole C.
Gas Chromatography, 127-130 (2012)
Grob RL and Barry EF.
Modern Practice of Gas Chromatography, 79-83 (2004)

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