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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

Normal phase or HILIC HPLC | Sugars | Carboxylic acids | USP L8.

These HPLC columns are made with world class, high purity silica and a bonding technology that has been worked out over many years and are among the finest, most reliable amino phases available.

Amino columns are most commonly used in normal phase HPLC mode however, the Cogent NP™ Amino column can also be used in reversed phase or HILIC mode if needed. The amino functionality of the amino-propyl ligand has a lone electron pair. Therefore, the hydrocarbon chain (C3) will be polar and will have a slightly negative dipole moment toward the Nitrogen of the amino group making the stationary phase polar.

Different molecules will have different retention based on their polarity and size (access to the ligand) thus, producing a unique Selectivity.

  • Click HERE to view specifications.

  • Click HERE for more information about Cogent NP™ columns.

Other sizes and configurations including prep and process columns are available. Please contact Customer Service for details.

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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