Cogent TYPE-C columns used in Prep Chromatography offer value

Although Prep Chromatography or Preparative Chromatography is not simple and has many different aspects and uses and therefore is really specific for each need, there are some generalities that should be considered if you are thinking of working with HPLC for purifications. A higher surface area generally leads to more load-ability.  But this is also […]

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Some of the advantages of using Cogent™ prep and semi-prep HPLC columns!

At the semi-prep or prep scale, other manufacturers tend to use larger particles (about 10–20um/ spherical for HPLC or 40–60um/ irregular for flash) whereas the Cogent™ columns can use 4um spherical particles. Larger particles are cheaper but the Cogent™ columns can save money in other ways. For custom orders, larger particles may be available for Cogent columns. In […]

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What is the largest ID for Cogent TYPE-C prep HPLC Columns?

In our standard 4um material, currently the largest ID we pack is 30mm. This is threaded hardware whereas larger IDs such as 50mm generally must be flanged or bolted. You may want to consider the 21.2mm ID as well, since cost increases at larger diameters. When logged in on the website, you can view the […]

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