Cogent Column Filters Should Not Replace HPLC Guard Columns - Tech Information
Date: 22-APRIL-2012 Last Updated: 3-NOVEMBER-2025
A guard column is both a particulate filter (non dissolved chemicals) and a chemical filter (removes dissolved chemicals).
The Cogent Column Filter is a particulate filter and adds extra protection for your expensive analytical and guard columns.
Click HERE for column protection ordering information.
A guard column is both a particulate filter (non dissolved chemicals) and a chemical filter (removes dissolved chemicals).
The Cogent Column Filter is a particulate filter and adds extra protection for your expensive analytical and guard columns.
Click HERE for column protection ordering information.