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482 M astovska et al . : J ournal of AOAC I nternational V ol . 98, N o . 2, 2015
Table 2014.08B. Statistical results for the studied PAHs at three different concentration levels in shrimp after elimination of statistical outliers
No. of laboratories
No. of replicates
Mean concn, µg/kg
Mean recovery, % s r
PAH
, µg/kg s R
, µg/kg RSD r
, % RSD R
, % HorRat
1,7-DMP
9 9 9 9 9 9 9 9 9 8 8 7 9 9 9 9 9 9 9 9 9 9 9 8 9 9 9 8 8 8 9 9 9 8 9 9 9 9 9 8 9 9 9 9 9 9 9
18 18 18 18 18 18 18 18 18 16 16 14 18 18 18 18 18 18 18 18 18 18 18 16 18 18 18 16 16 16 18 18 18 16 18 18 18 18 18 16 18 18 18 18 18 18 18
21.7 22.7 21.7 23.1 81.5
108.6 113.7 108.3 115.4 108.6 101.6
2.6 1.8 1.9 6.2 6.7 1.0 1.9 6.7 1.1 4.8 0.6 1.6 8.7 0.3 0.8 2.4 0.3 0.6 2.5 0.1 0.4 1.1 0.3 0.3 3.9 0.1 0.2 1.0 0.1 0.4 1.8 0.5 2.2 9.0 0.2 0.3 0.9 0.1 0.6 2.1 0.6 1.4 4.9 0.1 0.5
4.1 4.2 4.4 6.8
11.8
18.9 18.7 20.4 29.4 19.1 27.3 14.0 14.9 13.1 16.4 19.5 13.9 13.1 11.1 10.3 16.2 11.7 9.4
0.66 0.66 0.72 1.04 0.82 1.34 0.44 0.53 0.60 0.55 0.74 0.65 0.42 0.42 0.44 0.29 0.51 0.45 0.27 0.28 0.37 0.29 0.27 0.25 0.28 0.22 0.37 0.28 0.28 0.27 0.34 0.26 0.28 0.31 0.32 0.41 0.33 0.32 0.28 0.28 0.25 0.34 0.32 0.35 0.41 0.32 0.31
8.0 8.8
1-MN
26.9
15.6 55.4
8.3 8.8 9.8 7.6 5.6 6.9 5.8 5.1 6.0 6.7 7.3 6.2 7.0 4.3 4.5 6.5 7.3 4.6 6.6 2.6 5.5 7.0 4.3 5.7 6.2 4.9 4.7 3.1 4.4 5.3 6.6 6.4 1.4 4.2 4.5 6.0 5.5 5.2 5.3 9.1
203.2
17.8
1-MP
10.0 25.0
99.9 99.9 95.5
1.4 3.7
119.4
15.7
2,6-DMN
15.6 37.8
103.9
2.6 7.4
94.6 83.8
12.6 11.3
146.7
16.6
20.3
6-MC
11.1 32.2
110.5 107.2 100.1
1.5 3.6
145.2
13.7
Ant
4.9
98.5
0.5 1.7 4.6 0.5 1.3 5.2 0.2 0.5 1.6 0.5 0.7 6.3 0.2 0.5 1.4 0.3 0.7 2.8 1.4 4.1 0.3 0.6 1.2 0.5 1.1 4.1 1.0 2.4 8.7 0.3 0.6
10.6 38.9
105.7
97.4 95.9 99.9 94.4 96.2 98.7 92.3 96.7 98.2 95.5 94.7 98.5 90.1 99.5
BaA
4.8
9.7 8.4 9.2
15.0 56.6
BaP
1.9 4.9
12.1
9.6 7.0
23.1
BbF
4.8 9.8
10.1
7.0 8.8
71.6
BghiP
1.9 4.9
11.7
9.9 7.9
18.0
BkF
2.0 8.1
13.7
101.7
8.7 7.2 9.4 8.1 8.7
38.3 15.2 50.7
95.8
Chr
101.5 101.4
167.4
95.6 95.9
14.5
DBahA
1.9 5.0
10.9
13.5 11.2
100.4
13.8
91.8
8.4
Fln
5.2
103.0 102.3
10.0
15.4 47.3
7.5 8.7
94.7 97.2
10.4
Flt
9.7
25.1 93.9
100.3
9.7 9.3
93.9 98.2
IcdP
2.0 5.1
13.3 11.0
102.2
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