Guard Column Holders
Protect Your HPLC Columns While In Use | Keep Systems In Service Longer
Guard Columns are a very good way to protect your columns while in
use. Guard columns should always match your analytical or prep column's
stationary phase since the matching phases will make your column a few
millimeters longer but will not change the selectivity. If you choose a
different phase, you may be trapping some of your analytes. This technique is
well known but, not considered column protection.
Guard columns will adsorb many chemical entities as well as undissolved particles prior to reaching your column. These particles may permanently adsorb to the analytical column changing it's character and selectivity. When the guard column is no longer
The Holders for the Cogent guard systems are listed on this page and the actual guard
cartridges are listed with their respective stationary phases.
PRODUCTS
82000-SP-GH
Guard Column Holder, Semi Prep, 10mm TYPE-C
Guard. Accepts 10mm ID x 10mm, TYPE-C Cartridges. Hichrom
Brand. 1 EA.
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83000-P21-GH
Guard Column Holder, Prep, Cogent RP, NP or
IEX Guard. Accepts 10mm x 21.2mm ID Prep Cartridges. Cogent
Brand. 1 EA.
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83000-P30-GH
Guard Column Holder, Prep, Cogent RP, NP or
IEX Guard. Accepts 10mm x 30mm ID Prep Cartridges. Cogent
Brand. 1 EA.
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83000-SP-GH
Guard Column Holder, Semi Prep, Cogent RP,
NP or IEX Guard. Accepts 10mm x 10mm ID Prep Cartridges.
Cogent Brand. 1 EA.
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