These Guard Column Cartridges are packed with Wide Pore, 10µm, Cogent NP Silica™ Stationary Phase. This low metal content, 300A, very high purity Silica is not modified in any way.
Designed to protect your 3.0, 4.0 or 4.6mm ID, NP Silica, Analytical Columns from particulate and contaminants that will adsorb to it. They are packed in Stainless Steel Tubes and have Stainless Steel Frits that are pressed into PEEK Frit Caps.
These Guard Column Cartridges must be used with a Guard Column Holder, click HERE for more information about the Holder.
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