Development of QuEChERS Method for the Determination of Polycyclic Aromatic Hydrocarbons in Smoked Meat Products Using GC-MS from Qatar
Table 2
Retention time (Rt), regression coefficient (r2), slope, intercept of the calibration curve, limit of detection (LOD), and limit of quantitation (LOQ).
Compound
RT (min)
R2
Calibration range (ng/g)
Intercept
Slope
LOD (ng/g)
LOQ (ng/g)
Naphthalene
5.208
0.9998
0.5–50
0.3217
0.0877
2.74
6.64
Acenaphthylene
7.746
0.9996
0.5–50
0.4983
0.0221
7.60
20.01
Acenaphthene
7.946
0.9998
0.5–50
0.0193
0.0078
2.10
2.77
Fluorene
8.501
0.9981
0.5–50
0.0335
0.0662
1.44
2.48
Phenanthrene
9.779
1.0000
0.5–50
0.0345
0.1582
1.60
4.21
Anthracene
9.848
0.9998
0.5–50
0.0495
0.1039
0.36
0.87
Fluoranthene
11.950
0.9999
0.5–50
−0.0078
0.115
0.48
1.07
Pyrene
12.413
1.0000
0.5–50
−0.0114
0.0707
0.50
0.83
Benz[a]anthracene
15.349
1.0000
0.5–50
−0.0034
0.112
0.69
1.13
Chrysene
15.453
0.9999
0.5–50
−0.0173
0.1231
0.44
0.62
Benzo[b]fluoranthene
18.117
0.9995
0.5–50
0.0841
0.2466
0.24
0.41
Benzo[k]fluoranthene
18.178
0.9999
0.5–50
0.1379
0.1314
0.53
1.05
Benzo[a]pyrene
18.883
0.9996
0.5–50
−0.0163
0.1667
0.34
0.63
Indeno[1,2,3-cd]pyrene
21.409
1.0000
0.5–50
0.0183
0.1884
0.40
0.75
Dibenz[a,h]anthracene
21.486
0.9998
0.5–50
−0.0461
0.1885
0.63
1.22
Benzo[g,h,i]perylene
21.945
0.9998
0.5–50
0.1116
0.1448
1.71
4.41
LOD = average concentration of the matrix blank + 3 ∗ standard deviation of the matrix blank (); LOQ = average concentration of the matrix blank + 10 ∗ standard deviation of the matrix blank ().
