20331
Porapak™ Porous Polymer Adsorbent
matrix Porapak Q, 80-100 mesh, bottle of 75 cc
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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
80-100 mesh
density
~0.34 g/mL (free fall density)
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General description
For more information about any of our adsorbents, please visit sigma-aldrich.com/adsorbents
Legal Information
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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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.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
What is Porapak™ Porous Polymer Adsorbent Q, Product 20331?
Porapak Q is an ethylvinylbenzene and divinylbenzene copolymer bead which is used in packed column gas chromatography for separating light gases and volatiles.
What does the 80/100 stand for in the product description of Porapak™ Porous Polymer Adsorbent Q, Product 20331?
The 80/100 is refering to the mesh size range of the actual Porapak Q particles. The larger the mesh number the smaller the diameter of the bead. In this case 100 refers to a diameter of 149 microns and 80 refers to a diameter of 177 microns. Therefore, the particles in this product will range between 149 and 177 microns.
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.
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