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20329 Supelco

Porapak Porous Polymer Adsorbent

matrix Porapak P, 100-120 mesh, bottle of 75 cc



Related Categories Adsorbents, Analytical/Chromatography, Gas Chromatography (GC), Porapak Porous Polymer Adsorbents, Porous Polymer Adsorbents More...
packaging   bottle of 75 cc
parameter   250 °C temp. limit
application(s)   gas chromatography (GC): suitable
matrix   Porapak P
particle size   100-120 mesh
surface area   ~150 m2/g
density   ~0.26 g/mL (free fall density)


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. 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 P is a porous polymer composed of styrene and divinylbenzene.


Stainless steel column packed with Porapak P maybe used for the analysis of lipoxygenase reaction products by gas chromatography equipped with flame ionization detectors.

Legal Information

PoraPak is a trademark of Waters

Price and Availability

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
Is this product a packed column?
This is packing material only; it is not a column. Some endusers will purchase this bottle of packing and prepare their own packed columns.
How can I purchase a column that is packed with this material?
Most packed column are custom made and require that you obtain a quotation. Please contact our Customer & Sales Services group at phone number (800)-247-6628, fax number (800)-447-3044 or email CIBelle@sial.com for additional information.
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
What is the Department of Transportation shipping information for this product?
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, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
What is the maximum temperature for this packing?
The maximum temperature for this packing is 250 °C.
What does the 100/120 stand for in the product description?
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.
What is the weight in grams of the 75cc HayeSep® container?
The weight is approximately 24 grams for each 75cc container.
Show more questions
Protocols & Articles

Related Content

Choosing the Right Adsorbent for Your Thermal Desorption Gas Chromatography Applications [VIDEO]

This webinar provides an overview of adsorbents that are suitable for thermal desorption (TD), and the factors you need to consider when selecting an adsorbent. The presentation provides details abou...
Keywords: Sample preparations

Peer-Reviewed Papers


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