Blood Alcohol Analysis on Rtx®-BAC Plus 1

PeakstR (min)Conc.
(µg/mL)
1.Methanol0.912100
2.Acetaldehyde0.967100
3.Ethanol1.158100
4.Isopropanol1.420100
5.Acetone1.548100
6.tert-Butanol1.68850
7.1-Propanol (n-Propanol)1.96950
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GC_CF1153
ColumnRtx®-BAC Plus 1, 30 m, 0.32 mm ID, 1.8 µm (cat.# 18004)
SampleBAC resolution control standard n-P (cat.# 36010)
BAC resolution control standard t-B (cat.# 36011)
Diluent:Water
Conc.: 50 µL of each standard were diluted in 900 µL water in a 20 mL headspace vial.
Injectionheadspace-loop split (split ratio 50:1)
Liner:1 mm ID straight inlet liner (cat.# 20972)
Headspace-Loop
Inj. Port Temp.:200 °C
Instrument:Tekmar HT3
Inj. Time:3 min
Transfer Line Temp.:125 °C
Valve Oven Temp.:125 °C
Standby flow rate:50 mL/min
Sample Temp.:60 °C
Sample Equil. Time:5 min
Vial Pressure:30 psi
Pressurize Time:1 min
Loop Pressure:20 psi
Loop Fill Time:1 min
Oven
Oven Temp.:40 °C (hold 3 min)
Carrier GasHe, constant flow
Linear Velocity:80 cm/sec @ 40 °C
DetectorFID @ 240 °C
Make-up Gas Flow Rate:30 mL/min
Make-up Gas Type:N2
InstrumentAgilent/HP6890 GC
NotesHeadspace concentrator courtesy of Teledyne Tekmar, Mason, OH.
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