Polyvinylpyrrolidone was analyzed using GPC KD-806M, an organic SEC (GPC) column. It can be seen that polyvinylpyrrolidone with a high K value (viscosity characteristic value, higher molecular weight) elutes faster (that is, molecular weight is higher) with size exclusion chromatography.


Sample : 100 µL
Polyvinylpyrrolidone 0.1 % each
K-90
K-60
K-30

Columns      : Shodex GPC KD-806M (8.0 mm I.D. x 300 mm) x 2
Eluent       : 0.01 M LiBr in DMF
Flow rate    : 1.0 mL/min
Detector     : RI
Column temp. : 50 °C