Conditioning and storage tips for Cogent RP™, Cogent HPS™ & Cogent Axis™ HPLC columns
Long Term Storage:
- Rinse the column with 8 column volumes with pure solvent that you use as your mobile phase. It is important to use non-buffered mobile phase.
- Then purge the column with 8 column volumes of 100% HPLC grade, filtered isopropyl alcohol.
- Then purge the column with 80% IPA and 20% water with 8 column volumes.
- Cap both ends of the column with the provided protective end caps.
- Return column to the box it came in for safekeeping.
- Store the column at room temperature.
- Never let the column dry out.
- Never store the column in buffers.
- Never store the column in liquid that is more than 30% water.
Overnight:
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- Rinse the column with 8 column volumes with pure solvent that you use as your mobile phase. It is important to use non-buffered mobile phase.
- Cap both ends of the column with the provided protective end caps.