Click HERE for "More about Cogent TYPE-C™ Stationary Phases".

Click HERE for Frequently Asked Questions (FAQ) about Cogent Silica-C™.

Click HERE for Application Notes.

Our goal is to provide the best Customer Experience possible. If you cannot find what you are looking for, have any questions or would like to give us a suggestion please use any of the following ways to contact us directly. We would love to hear from you.

  • Call us: 8:30AM – 6:00PM EST 1-732-380-8900 and hit 0#

  • Fax to us: 1-910-769-9435

  • Email Customer Support

We are always ready to lend any support we can. Our experienced scientists and professionals are ready to assist you with any technical support questions. Every question is considered a good question and we will work with you on a solution as fast as possible.

  • Call us: 8:30AM – 6:00PM EST 1-732-380-8900 and hit 0#

  • Fax to us: 1-910-769-9435

  • Email Technical Support

Totally inorganic | Will not adsorb water | Use for prep or analytical | Silica hydride.

Cogent Silica-C™ is silica that has a Silica-Hydride surface that is completely free of carbon. This unique stationary phase will adsorb and desorb solvents commonly used in mobile phases very differently from ordinary silica resulting in fantastic benefits to the chromatographer.

Silica-Hydride columns have virtually no surface silanols remaining (less than 2%). This hydrophobic surface doesn’t have a strong association with water or other solvents; therefore, it doesn’t form a “hydration shell” and the subsequent issues that occur with all other silica-based columns. The Silica-C™ surface is so unique these columns are used in normal phase (NP) HPLC without having to concern yourself with the solvent moisture content.

For less polar compounds, the same Silica-C™ column can be used for aqueous normal phase (ANP) with acetonitrile and water. Fast equilibration allows for greater throughput per time compared to ordinary silica.

  • Click HERE to view specifications.

  • Click HERE for more information about TYPE-C columns.

  • Click HERE for "How to use Cogent Silica-C".

NOTE: Our technical support team strongly recommends that the Cogent column filter, included with each column, be used with all HPLC columns whenever possible. Click HERE for details.

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