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Phthalates on Rxi-XLB (Extended List)

ColumnRxi-XLB, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13723)
Standard/SamplePhthalate standards mixture
Benzyl benzoate (cat.# 31847)
Diluent:Methylene chloride
Conc.:50.0 µg/mL (80 μg/mL for internal standard benzyl benzoate)
Inj. Vol.:1 µL split (split ratio 20:1)
Liner:Premium 3.5 mm Precision liner w/wool (cat.# 23320.1)
Inj. Temp.:280 °C
Split Vent Flow Rate:3 mL/min
Oven Temp.:150 °C (hold 0.8 min) to 200 °C at 5 °C/min to 275 °C at 3 °C/min (hold 2 min)
Carrier GasHe, constant linear velocity
Linear Velocity:48 cm/sec, 21.4 psi, 147.5 kPa @ 150 °C
Scan Program:
GroupStart Time
Scan Range
Scan Rate
Transfer Line Temp.:300 °C
Analyzer Type:Quadrupole
Source Temp.:280 °C
Electron Energy:70 eV
Solvent Delay Time:3 min
Tune Type:PFTBA
Ionization Mode:EI
InstrumentShimadzu 2010 GC & QP2010+ MS
NotesThe constant linear velocity of 48 cm/sec is equivalent to 1.6 mL/min @ 150 C°. The MS scan interval is 0.1 sec.
AcknowledgementThe authors would like to thank Shimadzu Corporation for their consultation with the operation of the QP2010 Plus GC-MS instrument.