Phenol formaldehyde resin was analyzed using OHpak SB-800 HQ columns and GPC KD-800 columns.
Sample : Phenol formaldehyde resin
Columns : Shodex GPC KD-804 + KD-802.5, OHpak SB-804 HQ + SB-802.5 HQ
(8.0mmI.D. x 300mm each)
Eluent : 5mM LiBr in DMF
Flow rate : 0.5mL/min
Detector : Shodex RI
Column temp. : 40°C
