Effects of Temperature (GF-310 HQ)

The effect of temperature when POE distribution of octylphenyl ethoxylate (n=6) is measured using Asahipak GF-310 HQ (an Aqueous/Organic (multi-solvent use) SEC column) is shown here. Over the wide temperature range, good chromatograms are obtained. At high temperature, higher resolution is obtained because of sharp peak shape though the retention time is faster.


Sample : Octylphenol ethoxylate


Column       : Shodex Asahipak GF-310 HQ (7.5 mm I.D. x 300 mm)
Flow rate    : 0.6 mL/min
Eluent       : CH3CN/H2O=60/40
Detector     : UV (280 nm)
Column temp. : 15, 30, 60 °C

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