形式
solid
质量水平
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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一般描述
有关我们任何吸附剂的更多信息，请访问 sigma-aldrich.com/adsorbents
应用
法律信息
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)
分析证书(COA)
输入产品批号来搜索 分析证书(COA) 。批号可以在产品标签上"批“ （Lot或Batch）字后找到。
难以找到您所需的产品或批次号码？
如何查找产品货号
在网站页面上，产品编号会附带包装尺寸/数量一起显示（例如：T1503-25G）。请确保 在“产品编号”字段中仅输入产品编号 (示例: T1503).
示例
其它示例：
705578-5MG-PW
PL860-CGA/SHF-1EA
MMYOMAG-74K-13
1000309185
输入内容 1.000309185)
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如何查找COA批号
批号可以在产品标签上"批“ （Lot或Batch）字后面找到。
Aldrich 产品
如果您查询到的批号为 TO09019TO 等，请输入去除前两位字母的批号：09019TO。
如果您查询到的批号含有填充代码（例如05427ES-021），请输入去除填充代码-021的批号：05427ES。
如果您查询到的批号含有填充代码（例如 STBB0728K9），请输入去除填充代码K9的批号：STBB0728。
未找到您寻找的产品？
部分情况下，可能未在线提供COA。如果搜索不到COA，可在线索取。
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, 20330-U?
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 50/80 stand for in the product description of Porapak™ Porous Polymer Adsorbent Q, Product 20330-U?
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.
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.
My question is not addressed here, how can I contact Technical Service for assistance?
Ask a Scientist here.
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