Organic compounds in sludges 215
mV
mV
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0
0.00 10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00 90.00 100.00 110.00
0.00 10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00 90.00 100.00 110.00
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(B)
(A)
Minutes
Minutes
FI
Ph
An
Flu
Py
BbA
Ch
BbF
BaF
Bap
DB
BP
Ind
Ns
FI
Ph
An
Fb
Py
BaA
Ch
BaF
BIF
DaP
DB
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Iad
Figure 10.1 Elution chromatogram of the 16 priority PAHs standard solution (A) and the contaminatedsludge extract obtained after accelerated solvent extraction (B). Injection: 20 µL, gradient
(30 min) of acetonitrile: water (60:40 to 100:0), flow rate 0.3 mL/min, temperature 25
◦ C
fluorescence program: 0 min, 280/330, 13 min, 266/312, 17 min, 250/370, 20 min, 250/400;
24 min, 280/430; 27.5 min, 260/410; 32 min, 280/430; 40.2 min, 268/384; 46 min, 234/420;
50.5 min, 270/400; 56 min, 300/407; 60 min, 300/500.
Reprinted from E.Trably et al, International Journal of Environmental Analytical Chemistry, 2004,
84, 995, © 2004,Taylor and Francis [7].
Miscellaneous
Stepanova et al [12] developed a procedure for the quantitative analysis of a mixture of benzo (a) pyrene and other PAHs in sewage and industrial and effluent,