20 / 71
494
M
astovska
et al
.
:
J
ournal of
AOAC I
nternational
V
ol
. 98, N
o
. 2, 2015
Table 4. Collaborative study results (in µg/kg) obtained by the participating laboratories in blind duplicates fortified at the
mid PAH level in shrimp
Laboratory No.
PAH
Sample ID
1
2
3
4
5
6
7
8
9
1,7-DMP SFC S9
28.6
17.4
26.2
14.9
21.6
21.0
20.3
23.9
25.1
SFC S14
27.9
23.8
28.4
14.9
23.3
21.1
22.4
21.8
26.6
1-MN
SFC S9
84.6
111.5
89.1
59.8
83.7
70.1
72.8
75.4
56.9
SFC S14
99.7
101.4
101.7
66.1
85.9
74.9
81.9
83.3
67.6
1-MP
SFC S9
26.8
17.8
29.6
18.6
24.5
24.7
23.7
26.1
27.1
SFC S14
26.6
23.9
30.8
18.5
25.6
25.0
26.5
29.2
24.2
2,6-DMN SFC S9
80.0
a
46.5
40.8
40.3
38.5
33.4
38.1
31.3
23.4
SFC S14
102.1
a
43.2
42.9
51.7
37.8
31.7
42.3
27.0
36.8
6-MC
SFC S9
27.0
33.9
37.2
30.0
30.9
30.5
30.7
37.5
33.6
SFC S14
24.5
33.0
38.7
30.2
31.3
30.8
33.6
32.0
33.2
Ant
SFC S9
9.2
10.8
13.4
9.4
9.8
9.8
9.3
11.1
11.8
SFC S14
8.3
10.4
15.2
9.5
9.8
9.7
10.8
12.2
10.0
BaA
SFC S9
13.3
17.0
16.2
14.3
14.4
14.0
14.1
17.0
15.4
SFC S14
12.4
16.2
15.5
14.3
14.6
14.2
15.6
15.2
15.9
BaP
SFC S9
4.5
5.7
5.1
4.9
4.7
4.7
4.7
4.5
5.5
SFC S14
3.9
5.2
5.9
4.9
4.7
4.7
5.1
5.3
5.0
BbF
SFC S9
8.8
10.8
10.6
9.8
9.3
9.2
9.4
10.2
10.1
SFC S14
8.8
10.5
11.1
9.7
9.4
9.4
10.1
10.0
9.5
BghiP
SFC S9
4.6
5.6
5.8
4.9
4.6
4.7
4.6
4.5
11.5
b
SFC S14
4.3
5.3
5.9
4.8
4.6
4.8
4.9
5.1
2.5
b
BkF
SFC S9
7.9
8.6
9.5
7.7
7.7
8.0
7.6
7.6
8.5
SFC S14
6.5
8.6
9.6
8.0
7.7
8.1
8.3
8.2
8.3
Chr
SFC S9
46.8
52.4
55.8
48.4
48.2
47.7
47.8
57.6
54.7
SFC S14
42.8
50.2
57.8
48.5
49.1
48.1
52.3
51.4
53.1
DBahA
SFC S9
4.2
6.1
5.1
5.0
4.8
4.9
4.7
6.0
4.3
SFC S14
4.0
5.3
5.7
5.0
4.8
5.0
5.2
5.4
4.9
Fln
SFC S9
14.8
15.8
16.6
14.4
14.6
14.8
14.0
16.9
17.0
SFC S14
13.3
15.7
17.2
14.6
14.7
14.4
15.5
15.4
16.4
Flt
SFC S9
21.7
26.6
27.5
24.6
23.8
23.5
23.4
26.7
29.1
SFC S14
19.9
26.7
28.9
24.6
24.0
23.2
26.7
25.6
25.0
IcdP
SFC S9
4.4
5.7
4.5
5.0
4.8
5.3
4.8
5.1
6.7
SFC S14
4.1
5.4
5.5
5.0
4.8
5.1
5.2
5.4
5.1
Naph
SFC S9
86.2
88.1
86.8
75.9
80.2
71.9
79.4
75.3
90.1
SFC S14
104.3
86.4
90.6
73.6
80.6
76.2
90.2
80.2
97.8
Phe
SFC S9
46.8
50.9
54.2
47.6
48.9
47.9
46.5
48.7
51.3
SFC S14
44.7
50.3
56.2
47.8
50.0
47.4
51.3
50.7
53.5
Pyr
SFC S9
36.5
41.8
45.3
39.3
39.2
38.6
38.2
38.8
43.6
SFC S14
32.6
42.0
46.6
39.4
39.7
38.5
42.3
41.5
42.1
a
Outliers removed by the Cochran test.
b
Outliers removed by single Grubbs’ test.