Preliminary Results on the Use of Leather Chrome Shavings for Air Passive Sampling

Table 2

Analytical features of the HS-GC-MS determination of studied VOCs using chrome-shavings-based passive samplers.

Compound	r ^a	LOD^b (ng sampler^−1)	LOQ^c (ng sampler^−1)	Reproducibility^d (%)	RSD^e (%)
Carbon disulfide	0.99904	20	60	22.5	20.0
Chloroform	0.99323	75	120	9.6	2.1
1,1,1-Trichloroethane	0.99995	20	80	8.9	5.4
1,2-Dichloroethane	0.99998	75	110	9.3	7.9
Benzene	0.99973	75	100	5.1	3.4
Cyclohexane	0.99852	75	120	4.3	4.6
2,2,4-Trimethylpentane	0.99973	20	60	6.2	4.3
Trichloroethylene	0.99930	75	150	2.9	2.6
Bromodichloromethane	0.99620	75	130	4.9	2.2
Toluene	0.99903	20	60	2.8	1.7
Dibromochloromethane	0.99868	75	150	3.9	1.8
Tetrachloroethene	0.99967	20	70	4.6	2.8
Ethylbenzene	0.99835	20	70	7.0	6.3
m,p-Xylene	0.99842	20	80	8.0	6.8
Bromoform	0.99858	75	150	7.0	6.0
o-Xylene	0.9994	20	80	9.5	7.0

^aCorrelation coefficients.
^bLimit of detection.
^cLimit of quantification.
^dReproducibility at 2.5 μg spiked level (𝑛=3).
^eRelative standard deviation at 2.5 μg spiked level (𝑛=3).