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Extracted Opiates from Blood on Rxi-5Sil MS

ColumnRxi-5Sil MS, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13623)
Standard/Sample
Diluent:Ethyl acetate
Conc.:100 ng/mL propionic anhydride derivatives
Injection
Inj. Vol.:1 µL splitless (hold 1 min)
Liner:4 mm splitless taper w/wool (cat.# 22405)
Inj. Temp.:250 °C
Purge Flow:100 mL/min
Oven
Oven Temp.:65 °C (hold 1 min) to 315 °C at 15 °C/min
Carrier GasHe, constant flow
Flow Rate:1 mL/min
Linear Velocity:35 cm/sec @ 65 °C
DetectorMS
Mode:SIM
Transfer Line Temp.:250 °C
Analyzer Type:Quadrupole
Solvent Delay Time:7 min
Tune Type:PFTBA
Ionization Mode:EI
Sample PreparationOpiates were spiked into a blood sample and extracted by SPE, then derivatized with propionic anhydride.
AcknowledgementData courtesy of Miami Dade County Medical Examiner Department