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20330-U

Porapak™ 多孔聚合物吸附剂

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

别名:

Omnifit色谱柱，15 mm x 100 mm

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75 CC
$506.00

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75 CC
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About This Item

UNSPSC代码:
23201100
NACRES:
SB.54

$506.00

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表单

solid

质量水平

100

包装

bottle of 75 cc

参数

250 °C temp. limit

表面积

~550 m2/g

基质

Porapak Q

粒径

50-80 mesh

密度

~0.34 g/mL (free fall density)

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相关类别

一般描述

Porapak多孔聚合物是一种球形珠粒，具有一致的粒径、孔隙率和表面积，有助于确保分析的精确度和准确度。

有关我们任何吸附剂的更多信息，请访问 sigma-aldrich.com/adsorbents
多孔聚合物是气体、酸、胺、低碳有机物和水分析应用的最合适的吸附剂。[1]它们最适用于气相色谱，基本上是聚二乙烯基苯（DVB）的共聚物，其本质上是多孔的（从介孔到微孔）。[2]Porapak™ Q 是一种由乙基乙烯基苯和二乙烯基苯组成的多孔聚合物，主要用于分离烃类、水中的有机分析物和氮氧化物。[1]

应用

填充于不锈钢气相色谱柱的 PORAPAK™ Q 可用于氧化还原实验，通过控制制备法对负载在石墨上的钌-二氧化铈催化剂的合适表面位置进行设计。[3]

法律信息

PoraPak is a trademark of Waters

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Modern Practice of Gas Chromatography.
Grob RL and Barry EF.
Modern Practice of Gas Chromatography, 79-83 (2004)
Scientific Bases for the Preparation of Heterogeneous Catalysts.
Jacobs PA
Science, 751-752 (2010)
Poole C.
Gas Chromatography, 127-130 (2012)

Questions

1–6 of 6 Questions  

  1. quale è l'efficienza di adsorbimento di CH4 sulla Porapaq-Q a -50°C?

    1 answer

    1. The adsorption efficiency is not determined for this product.
      Please see the link below for a publication that may provide useful information:
      https://www.sciencedirect.com/science/article/pii/S0021967303000323?via%3Dihub

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  2. 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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  3. What is Porapak™ Porous Polymer Adsorbent, 20330-U?

    1 answer

    1. Porapak Q is an ethylvinylbenzene and divinylbenzene copolymer bead which is used in packed column gas chromatography for separating light gases and volatiles.

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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 50/80 stand for in the product description of Porapak™ Porous Polymer Adsorbent Q, Product 20330-U?

    1 answer

    1. The 50/80 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 50 refers to a diameter of 297 microns and 80 refers to a diameter of 177 microns.  Therefore, the particles in this product will range between 297 and 177 microns.

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