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Figure 4
Elution order changes for common industrial solvents on
Rtx®-BAC1 and Rtx®-BAC2 columns.
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.
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
30m, 0.53mm ID, 3.0µm Rtx®-BAC1
(cat.# 18001)
30m, 0.53mm ID, 2.0µm Rtx®-BAC2
(cat.# 18000)
GC_PH00509
GC_PH00510
Figure 5
Glycols of forensic interest on
Rtx®-BAC1 and Rtx®-BAC2 Columns.
1. ethylene glycol
2. propylene glycol
Rtx®-BAC1
Rtx®-BAC2
30m, 0.32mm ID, 1.8µm Rtx
®
-BAC1 (cat.# 18003)
30m, 0.32mm ID, 1.2µm Rtx
®
-BAC2 (cat.# 18002)
0.5µL split injection
Conc.:
1%
Solvent:
methanol
Oven temp.:
100°C to 240°C @ 5°C/min.
(hold 5 min.)
Inj. temp.:
240°C
Inj. mode:
100:1 split
Liner:
Agilent 4mm single gooseneck
Septa purge:
5.0cc/min.
Carrier gas:
helium, constant pressure
Pressure:
12psi
Linear velocity:
37cm/sec.
Column flow rate: 2.1mL/min.
Detector:
FID/240°C
Make-up gas flow: 40cc/min.
GC_EV00474
Compound
qty.
cat.#
0.015g/dL forensic ethanol solution
1mL/ampul
5-pk.
36232
1mL/ampul
10-pk.
36332
5mL/ampul
ea.
36240
20mL/ampul
ea.
36248
0.02g/dL forensic ethanol solution
1mL/ampul
5-pk.
36233
1mL/ampul
10-pk.
36333
5mL/ampul
ea.
36241
20mL/ampul
ea.
36249
0.025g/dL forensic ethanol solution
1mL/ampul
5-pk.
36234
1mL/ampul
10-pk.
36334
5mL/ampul
ea.
36242
20mL/ampul
ea.
36250
0.04g/dL forensic ethanol solution
1mL/ampul
5-pk.
36235
1mL/ampul
10-pk.
36335
5mL/ampul
ea.
36243
20mL/ampul
ea.
36251
0.05g/dL forensic ethanol solution
1mL/ampul
5-pk.
36257
1mL/ampul
10-pk.
36259
5mL/ampul
ea.
36258
20mL/ampul
ea.
36260
0.08g/dL forensic ethanol solution
1mL/ampul
5-pk.
36262
1mL/ampul
10-pk.
36264
5mL/ampul
ea.
36263
20mL/ampul
ea.
36265
0.1g/dL forensic ethanol solution
1mL/ampul
5-pk.
36236
1mL/ampul
10-pk.
36336
5mL/ampul
ea.
36244
20mL/ampul
ea.
36252
0.15g/dL forensic ethanol solution
1mL/ampul
5-pk.
36237
1mL/ampul
10-pk.
36337
5mL/ampul
ea.
36245
20mL/ampul
ea.
36253
0.2g/dL forensic ethanol solution
1mL/ampul
5-pk.
36238
1mL/ampul
10-pk.
36338
5mL/ampul
ea.
36246
20mL/ampul
ea.
36254
0.3g/dL forensic ethanol solution
1mL/ampul
5-pk.
36239
1mL/ampul
10-pk.
36339
5mL/ampul
ea.
36247
20mL/ampul
ea.
36255
0.4g/dL forensic ethanol solution
1mL/ampul
5-pk.
36266
1mL/ampul
10-pk.
36268
5mL/ampul
ea.
36267
20mL/ampul
ea.
36269
Blood Alcohol Standards
acetaldehyde
acetone
acetonitrile
ethanol (NIST certified value)
ethyl acetate
isopropanol
methanol
methyl ethyl ketone
Blood Alcohol Mix Resolution
Control Standard
(8 components)
0.100g/dL each in water, 1mL/ampul
cat. # 36256 (ea.)