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20332
Porapak™ Porous Polymer Adsorbent
matrix Porapak Q, 100-120 mesh, bottle of 75 cc
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75 CC
$344.00
About This Item
UNSPSC Code:
23201100
Recommended Products
form
solid
Quality Level
packaging
bottle of 75 cc
parameter
250 °C temp. limit
technique(s)
gas chromatography (GC): suitable
surface area
~550 m2/g
matrix
Porapak Q
particle size
100-120 mesh
density
~0.34 g/mL
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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
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] Porapak™ Q is a porous polymer composed of ethylvynilbenzene and divynilbenzene mostly suitable for the separation of hydrocarbons, organic analytes in water, and oxides of nitrogen.[3]
Application
Porapak™ Q packed in a stainless steel GC column maybe used for oxidation reduction experiments for designing of appropriate surface sites for ruthenium-ceria catalysts supported on graphite by controlled preparation method.[3]
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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Grob RL and Barry EF.
Modern Practice of Gas Chromatography, 79-83 (2012)
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Gas Chromatography, 127-130 (2012)
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How can I purchase a column that is packed with this material?
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What does the 100/120 stand for in the product description?
1 answer-
The 100/120 refers to the mesh size range of the actual particles. When working with mesh size: the larger the mesh number, the smaller the diameter of the particle. In this case 100 refers to a diameter of 149 microns and 120 refers to a diameter of 125 microns. Therefore; the particles in this product with 100/120 will range between 125 microns and 149 microns.
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What is the maximum temperature for this packing?
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The maximum temperature for this packing is 250 °C.
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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Is this product a packed column?
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This is packing material only; it is not a column. Some endusers will purchase this bottle of packing and prepare their own packed columns.
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