Epoxy Resin (7) ( Effects of Flow Rate for HK-402)

GPC HK-400 series, organic SEC (GPC) columns for ultra-rapid analysis  have low column pressure even at high flow rates and can be used in conventional HPLC device. The separation of epoxy resin (jER1001) using HK-402 was compared at flow rates of 0.3 mL/min and 1.0 mL/min. At a flow rate of 1.0 mL/min, equivalent separation can be achieved with an analysis time of 1/6 or less of a conventional SEC column, but if separation is important, it is recommended to analyze at 0.3 mL/min. (Even at 0.3 mL/min, the analysis time is less than half that of a conventional SEC column.)
Note : Epoxy Resin (6) (Comparison between HK-402 and KF-802.5)



Sample : 10 µL
jER1001 (Epoxy resin) 0.2 %(w/v)


Column       : Shodex GPC HK-402 (4.6 mm I.D. x 150 mm)
Eluent       : THF
Flow rate    : 0.3 mL/min, 1.0 mL/min
Detector     : UV (254 nm) (small cell volume)
Column temp. : 40 ℃

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