Development of QuEChERS Method for the Determination of Polycyclic Aromatic Hydrocarbons in Smoked Meat Products Using GC-MS from Qatar

Table 3

: Recovery percentage, relative standard deviation (RSDs, %) and RSDs pooled (%) for the number of determination () for each spiking level.

Compound	Recovery ± RSDs (%)				Pooled RSD (%)
	First day	Second day	First day	Second day
	1 ng/g	1 ng/g	10 ng/g	10 ng/g
	Recovery ± RSD%	Recovery ± RSD%	Recovery ± RSD%	Recovery ± RSD%
Naphthalene	99 ± 6	104 ± 14	101 ± 6	101 ± 6	9
Acenaphthylene	117 ± 24	95 ± 18	99 ± 4	105 ± 7	15
Acenaphthene	111 ± 5	117 ± 16	99 ± 3	103 ± 6	9
Fluorene	101 ± 19	99 ± 16	96 ± 4	106 ± 11	15
Phenanthrene	88 ± 16	107 ± 13	95 ± 5	113 ± 17	14
Anthracene	83 ± 17	106 ± 5	99 ± 2	108 ± 12	11
Fluoranthene	93 ± 11	102 ± 10	98 ± 4	110 ± 15	10
Pyrene	98 ± 7	97 ± 9	95 ± 5	111 ± 16	10
Benz[a]anthracene	100 ± 9	97 ± 9	93 ± 5	110 ± 12	9
Chrysene	101 ± 8	92 ± 11	98 ± 3	110 ± 13	10
Benzo[b]fluoranthene	103 ± 14	96 ± 6	98 ± 3	112 ± 20	13
Benzo[k]fluoranthene	79 ± 38	101 ± 6	100 ± 1	100 ± 11	20
Benzo[a]pyrene	106 ± 10	99 ± 9	98 ± 2	105 ± 18	11
Indeno[1,2,3-cd]pyrene	109 ± 10	74 ± 10	96 ± 2	104 ± 18	12
Dibenz[a,h]anthracene	108 ± 11	92 ± 8	100 ± 1	107 ± 19	12
Benzo[g,h,i]perylene	107 ± 14	97 ± 11	90 ± 4	111 ± 17	12
Recovery range (%)	79–117	74–117	90–101	101–113
RSDs range (%)	5–38	6–18	1–6	6–20