Effects of Flow Rate (2) (HK-404L)

The particle size of HK-404L is 3.5 μm and smaller than conventional type (KF-805L:10 μm).Generally, as the particle size reduces, the Van Deemter curve becomes flatter and column efficiency is less influenced by high flow rate. The column efficiency of HK-404L at the flow rate of 1.0 mL/min hardly decreases.

Sample : Polystyrene

Column       : Shodex GPC HK-404L (4.6 mm I.D. x 150 mm)
Eluent       : THF
Detector     : UV (254 nm) (small cell volume)
Column temp. : 40 °C

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