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 : 100µL Polyvinylpyrrolidone 0.1% each K-15 K-30 K-60 K-90
Columns : Shodex OHpak SB-806M HQ (8.0mmI.D. x 300mm) x 2
Eluent : 0.1M NaCl aq./CH3CN=55/45
Flow rate : 1.0mL/min
Detector : Shodex RI
Column temp. : 40°C