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Epoxy Resin (4) (Comparison of HK-404L and HK-404L + HK-401)

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Epoxy resin (jER1009) was analyzed using GPC HK series, organic SEC (GPC) columns for ultra-rapid analysis. When analyzing low molecular weight samples, the separation of the lower molecular region becomes insufficient using only HK-404L, and a part of the sample overlaps the solvent peak (vacant peak). When HK-401 which is specialized for separation of low molecular weight regions, is connected with HK-404L in series, the analysis of the broad range from high molecular weight to low molecular weight can be achieved.


Sample : 5µL
jER1009 (Epoxy resin)
0.1%(w/v)


*Peak heights are adjusted to make it easy to compare them.

Columns      : (Upper) Shodex GPC HK-404L (4.6mmI.D. x 150mm)
               (Lower) Shodex GPC HK-404L + HK-401 (4.6mmI.D. x 150mm each)  
Eluent       : THF                                     
Flow rate    : 1.0mL/min                                
Detector     : Shodex RI (small cell volume)                         
Column temp. : 40°C

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