682
GC CHROMATOGRAMS |
FORENSIC/PHARMACEUTICAL
Benzodiazepines, Phenothiazines
Phenothiazines (Basic Drugs) (Underivatized)
Rtx®-5
1
9
87
5,6
4
3
2
Column:
Rtx
®
-5, 15m, 0.32mm ID, 0.50µm (cat.# 10236)
Sample:
1.0µL split injection of phenothiazines
Conc.:
2,000ng/µL
Oven temp.:
200°C to 325°C @ 5°C/min.
Inj./det. temp.:
250°C/315°C
Carrier gas:
helium
Linear velocity:
25cm/sec. set @ 200°C
FID sensitivity:
2.56 x 10
-10
AFS
Split ratio:
30:1
min.
5
10
15
20
25
10
GC_PH00269
1. phenothiazine
2. promethazine
3. trimeprazine
4. promazine
5. chlorprothixene
6. chlorpromazine
7. trifluoperazine
8. acetopromazine
9. prochlorperazine
10. thioridazine
Separation optimized
using Pro
ez
GC
software!
min.
2
4
6
8
10
1
2
3
4
5,6
7
8
9
10
11
12
13
Column:
Rtx
®
-200, 15m, 0.32mm ID, 0.25µm (cat.# 15021)
Sample:
1.0µL split injection of benzodiazepines
Conc.:
15ng/component
Oven temp.:
225°C to 325°C @ 8°C/min.
Inj./det. temp.:
250°C/320°C
Carrier gas:
helium
Linear velocity:
35cm/sec. set @ 225°C
FID sensitivity:
5.12 x 10
-10
AFS
Split ratio:
60:1
GC_PH00268
Benzodiazepines (Basic Drugs) (Underivatized)
Rtx®-200
1. medazepam
2. lorazepam
3. diazepam
4. desmethyl diazepam
5. bromazepam
6. prazepam
7. temazepam
8. flurazepam
9. clobazam
10. flunitrazepam
11. clonazepam
12. alprazolam
13. triazolam
Benzodiazepines (15 μg/mL)
Rxi®-5Sil MS
Peaks
1. Oxazepam
2. Lorazepam
3. Diazepam
4. Flunitrazepam
5. Prazepam
6. Clonazepam
7. Alprazolam
Column
Rxi
®
-5Sil MS, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13623)
Sample
Diluent:
Butyl chloride
Conc.:
15 µg/mL
Injection
Inj. Vol.:
1 µL splitless (hold 1 min.)
Liner:
3.5mm Gooseneck Splitless w/Wool (cat.# 22286-200.1)
Inj. Temp.:
280 °C
Purge Flow:
32.2 mL/min. (20:1 split)
Oven
Oven Temp:
200 °C to 330 °C at 15 °C/min. (hold 3 min.)
Carrier Gas
He, constant linear velocity
Linear Velocity: 50 cm/sec., 23.7 psi, 163.4kPa @ 200 °C
Detector
MS
Mode:
Scan
Transfer Line
Temp.:
280 °C
Analyzer Type: Quadrupole
Source Temp.:
200 °C
Electron Energy: 70 eV
Solvent Delay
Time:
4 min.
Tune Type:
PFTBA
Ionization Mode: EI
Scan Range:
50-350 amu
Scan Rate:
5 scans/sec.
Instrument
Shimadzu 2010 GC & QP2010+ MS
GC_CF1148
Good peak shape
with a fast elution
time of <8 min.
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Mar 2011
