Table 1:
Value | NAB | NAT | NNK | NNN |
---|---|---|---|---|
Average in μg/g | 10.480 | 83.400 | 23.270 | 89.690 |
SD | 1.110 | 0.650 | 0.280 | 0.970 |
RSD in % | 10.550 | 0.780 | 1.220 | 1.080 |
Accuracy in % | 104.840 | 92.670 | 93.090 | 99.660 |
R-value | 0.986 | 0.986 | 0.971 | 0.994 |
LOD in ppb | 3.320 | 1.960 | 0.850 | 2.910 |
LOQ in ppb | 11.060 | 6.530 | 2.850 | 9.710 |
NAB = N-nitrosoanabasine; NAT = N-nitrosoanatabine; NNK = 4-(N-nitrosomethylamino)-1-(3-pyridyl)-1-butanone; NNN = N-nitrosonornicotine; SD = standard deviation; RSD = relative standard deviation; LOD = limit of detection; ppb = parts per billion; LOQ = limit of quantification.