Home :: Agilent :: Agilent LC Columns :: Agilent PL Series (PLgel, PLRP-S, aquagel-OH) :: Agilent Polymer Standards for GPC and SEC :: Polystyrene (PS) Standards & Calibration Kits :: Agilent Polystyrene (PS) Standard, nominal Mp 130,000g/mol, 10g, ea.