Compositional and structural analysis of engineered stones and inorganic particles in silicotic nodules of exposed workers

Table 6 Analytical parameters (limits of detection, limits of quantification and regression coefficient) for the proposed method

Compound	Type	R²	LOD (ng/g)	LOQ (ng/g)
Acenaphtene	PAH	0.993	0.97	3.22
Acenaphtylene	PAH	0.999	0.78	2.59
Anthracene	PAH	0.991	0.86	2.85
Benz(a)anthracene	PAH	0.985	0.48	1.62
Benzo(a)pyrene	PAH	0.985	1.93	6.44
Benzo(b + k)fluoranthene	PAH	0.987	1.39	4.63
Benzo(ghi)perylene	PAH	0.988	4.44	14.80
Chrysene	PAH	0.991	0.44	1.48
Dibenz(ah)anthracene	PAH	0.993	4.44	14.80
Fluoranthene	PAH	0.999	0.39	1.31
Fluorene	PAH	0.996	0.48	1.61
Indene(123-cd)pyrene	PAH	0.985	8.02	26.73
Naphthalene	PAH	0.996	2.48	8.25
Phenanthrene	PAH	0.997	0.91	3.04
Pyrene	PAH	0.998	0.37	1.22
PCB101	PCB	0.993	0.47	1.58
PCB138	PCB	0.989	0.98	3.28
PCB153	PCB	0.995	1.23	4.11
PCB180	PCB	0.990	1.65	5.51
PCB28	PCB	0.989	0.95	3.16
PCB52	PCB	0.990	0.36	1.20
1Hexanol 2 ethyl	COV	0.991	8.72	15.3
Styrene	COV	0.989	4.31	12.1
Toluene	COV	0.994	4.47	13.3
Ethylbenzene	COV	0.995	3.14	11.2
124 Trimethylbenzene	COV	0.995	2.72	9.25
1Methoxy 2 propanol	COV	0.987	4.65	15.68
n-butylacetate	COV	0.989	6.27	21.29
m-xylene	COV	0.985	3.32	10.35
p-xylene	COV	0.986	3.32	10.35

ISSN: 1743-8977