Various additives of polymer in polystyrene were analyzed simultaneously with GPC/MS using GPC KF-402HQ (a semi-micro organic SEC (GPC) column).


Sample : 5 μL
IRGANOX^® 1010
IRGANOX^® 1076
IRGAFOS^® 168
TINUVIN^® 234
BHT dimer
BHT

(HPLC)
Instrument   : Agilent 1100
Column       : Shodex GPC KF-402HQ (4.6 mm I.D. x 250 mm) x 2
Eluent       : THF
Flow rate    : 0.3 mL/min
Column temp. : 40 °C
 
(MS)
Instrument      : Thermo Quest LCQ Advantage
Ionization      : APCI
Capillary temp. : 180 °C
Vaporizer temp. : 450 °C
Source voltage  : 6000 V
Sheath gas flow : 80 L/min