Poly(ether ether ketone) (PEEK) oligomer was analyzed with chloroform eluent using GPC K-802, an organic SEC (GPC) column. Although PEEK polymer cannot be dissolved in chloroform easily, PEEK oligomer can.
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Sample : PEEK, Poly(ether ether ketone)

Columns      : Shodex GPC K-802 (8.0 mm I.D. x 300 mm) x 2
Eluent       : CHCl3
Flow rate    : 1.0 mL/min
Detector     : UV (254 nm)
Column temp. : Room temp.