Forensic Applications of Gas Chromatography - Forensic Applications of Gas Chromatography - page 121

Table 8.5 Ions Extracted for
Compounds Found in Accelerants
Class of Compound Ions Extracted (Da)

Alkanes 51, 71, 85 and 99

Cycloalkanes 55, 65 and 83

Indanes 17, 118, 131 and 132

5e+07

9000000

550000
500000
450000
400000
350000
300000
250000
200000
150000
100000
50000
0
Time -->

8000000
7000000
6000000
5000000
4000000
3000000
2000000
1000000
0
Time -->

(a) (b)

3000000
2800000

9000000
8000000
7000000
6000000
5000000
4000000
3000000
2000000
1000000
0
Time -->

2600000

2400000

2200000

2000000

1800000
1600000
1400000
1200000
1000000
800000
600000
400000
200000
0
Time -->

(c) (d)

1400000

280000
260000
220000

1300000

1200000

240000

1100000

1000000

200000

900000
800000
700000
600000
500000
400000
300000
200000
100000
0
Time -->

180000
160000
140000
120000
100000
80000
60000
40000
20000
0
Time -->

(f )

(e)

Figure 8.32 Fire debris chromatogram compared to standard liquid chromato-
grams. (a) Fire debris; (b) petrol standard; (c) paint thinner standard; (d) lighter
fluid standard; (e) diesel standard; (f) turpentine substitute standard.