Polyvinylpyrrolidone (Povidone) is a linear aqueous polymer made by N-vinyl-2- pyrolidone, and is divided from K-10 to K-120 by the viscosity characteristics. In this application, several kinds of Povidone were analyzed using OHpak SB-806M HQ, a column for aqueous SEC column.


Sample : 100 µL
Polyvinylpyrrolidone 0.1 % each
K-15
K-30
K-60
K-90

Columns      : Shodex OHpak SB-806M HQ (8.0 mm I.D. x 300 mm) x 2
Eluent       : 0.1 M NaCl aq./CH3CN=55/45
Flow rate    : 1.0 mL/min
Detector     : RI
Column temp. : 40 °C