HPLC Column, NP Silica, 5um, 4.0mm ID x 250mm Length, 100A. Cogent Brand. 1 EA.
This Cogent NP Silica™ Stationary Phase has been a premium value and used by HPLC laboratories for many years. This low metal content, 100A, very high purity Silica is not modified in any way and is ideal as an Alternate in any USP Method that uses the L3 Classification or for new methods.
With a 5 µm Particle, this column works well with higher flow rates and lower back pressures compared with smaller particles.
Often used for hydrophilic or polar compounds in HILIC or Normal Phase HPLC.