|
Compounds |
Detection Limits (ppb)1 |
||
|
Valve2 |
SVM3 |
OLMT4 |
|
|
Benzene |
17.14 |
0.46 |
0.064 |
|
TCE |
48.46 |
0.99 |
0.33 |
|
Toluene |
9.63 |
0.47 |
0.02 |
|
Ethylbenzene |
6.10 |
0.56 |
0.03 |
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1. The detection limits were calculated at a signal to noise ratio of 3.
2. The volume of sample loop was 100 microleters.
3. The volume of sample loop was 8 ml and a 0.53 mm I.D.; 9 cm long microtrap was used.
4. A 1.5 mm I.D., 5 cm long microtrap packed with 20-40 mesh Carbotrap C was used