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20337

Porapak™ Porous Polymer Adsorbent

matrix Porapak S, 80-100 mesh, bottle of 75 cc

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About This Item

Code UNSPSC :
23201100
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Forme

solid

Niveau de qualité

100

Conditionnement

bottle of 75 cc

Paramètres

250 °C temp. limit

Technique(s)

gas chromatography (GC): suitable

Superficie

~375 m2/g

Matrice

Porapak S

Taille des particules

80-100 mesh

Densité

~0.35 g/mL (free fall density)

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Description générale

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] Porapak™ S is a porous polymer composed of vinyl pyridine and is most suitable for separation of normal and branched alcohols.[1]

Application

Porapak™ S maybe used in isothermal gas chromatographic analysis of light gases, for detection and separation of CO2, C2H2, C2H4 and C2H6.[3]

Informations légales

PoraPak is a trademark of Waters

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

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Certificats d'analyse (COA)

Lot/Batch Number

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Consulter la Bibliothèque de documents

Grob RL and Barry EF.
Modern Practice of Gas Chromatography, 79-83 (2004)
A new column system for isothermal gas chromatographic analysis of light gases (H2, O2, N2, CO, CH4, CO2, C2H4, C2H6 and C2H2) employing a column switch technique.
Deans DR
Chromatographia, 4 (7), 279-285 (1971)
Poole C.
Gas Chromatography, 127-130 (2012)

Questions

1–6 of 6 Questions  

  1. Is this product a packed column?

    1 answer

    1. 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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  2. What is the weight in grams of the 75cc HayeSep® container?

    1 answer

    1. The weight is approximately 24 grams for each 75cc container.

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  3. What is the maximum temperature for this packing?

    1 answer

    1. The maximum temperature for this packing is 250 °C.

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  4. What is the Department of Transportation shipping information for this product?

    1 answer

    1. 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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  5. How can I purchase a column that is packed with this material?

    1 answer

    1. 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 [email protected] for additional information.

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  6. What does the 80/100 stand for in the product description?

    1 answer

    1. The 80/100 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 80 refers to a diameter of 177 microns and 100 refers to a diameter of 149 microns.  Therefore; the particles in this product with 80/100 will range between 149 microns and 177 microns.

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