672
GC CHROMATOGRAMS |
CLINICAL, FORENSIC & TOXICOLOGY
Solvents, Cocaine
Sample:
1.0mL headspace sample
Oven temp.:
40°C (hold 5 min.) to 240°C @ 5°C/min.
Inj./det. temp.:
240°C
Carrier gas:
helium
Linear velocity:
65cm/sec.
Det.:
FID
1. ethyl chloride
2. diethyl ether
3. methylene chloride
4. acetonitrile
5. methyl
tert
-butyl ether
6. chloroform
7. methyl ethyl ketone
8. 1,1,1-trichloroethane
9. benzene
10. trichloroethylene
11. toluene
12. 1,1,2-trichloroethane
13. tetrachloroethene
14.
p
-xylene
15.
m
-xylene
16.
o
-xylene
17. tetrachloroethane
Solvents
Rtx®-BAC1 & Rtx®-BAC2
(headspace analysis)
Rtx®-BAC1, 30m, 0.53mm ID, 3.0μm (cat.# 18001)
Rtx®-BAC2, 30m, 0.53mm ID, 2.0μm (cat.# 18000)
GC_PH00509
GC_PH00510
Cocaine & Cocaine Adulterants
Rtx®-440
GC_PH00770
Column:
Rtx
®
-440, 30m, 0.25mm ID, 0.50µm (cat.# 12938)
Sample:
100µg/mL each compound in methanol
Inj.:
1.0µL split (split ratio 1:10), laminar cup splitter inlet liner (cat.# 20801)
Inj. temp.:
250°C
Carrier gas:
helium, constant flow
Flow rate:
1mL/min.
Oven temp.:
150°C to 275°C @ 25°C/min., to 300°C @ 15°C/min. (hold 5.0 min.)
Det.:
MS
Transfer line
temp.:
180°C
Scan range:
35-550amu
Ionization:
EI
Mode:
scan
1. benzocaine
2. phenacetin
3. prilocaine
4. lidocaine
5. caffeine
6. procaine
7. cocaine
8. tetracaine
Chromatogram
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Mar 2011
