The Use of Amberlite Adsorbents for Green Chromatography Determination of Volatile Organic Compounds in Air
Table 4
Analytical features of HS-GC-MS determination of studied VOCs for each adsorbent evaluated.
Compound
Veram
XAD-2
XAD-4
XAD-16
RSD
LOD
RSD
LOD
b
RSD
LOD
b
RSD
LOD
b
(%)
ng · sampler−1
(%)
ng · sampler−1
(×10−3)
(%)
ng · sampler−1
(×10−3)
(%)
ng · sampler−1
(×10−3)
Chloroform
5
50
13
31
1.96
9
30
2.04
9
37
2.03
1,2-Dichloroethane
9
50
23
30
0.91
12
73
0.85
38
13
0.87
Benzene
7
10
9
1
3.77
10
4
3.66
10
4
3.72
Cyclohexane
5
50
10
130
0.82
3
130
0.70
12
39
1.08
Trichloroethylene
6
50
5
3
2.17
4
4
1.99
12
23
1. 95
Bromodichloromethane
6
50
7
10
1.32
4
95
1.03
14
140
1.11
Toluene
6
10
5
11
6.48
47
90
7.61
22
58
5.49
Tetrachloroethylene
5
10
4
17
3.22
7
41
2.96
18
29
2.85
Dibromochloromethane
6
50
4
15
2.50
7
28
1.71
19
19
1.64
Ethylbenzene
9
10
3
3
3.76
12
6
3.22
13
5
2.88
m,p-Xylene
13
10
6
14
3.28
11
12
2.79
17
10
2.44
Bromoform
15
50
1
2
0.99
15
8
0.65
19
7
0.75
o-Xylene
13
10
2
8
2.85
14
21
2.47
14
114
2.13
Note: RSD %: relative standard deviation for 3 independent determinations ( = 1500 ng · sampler−1); LOD: Limit of detection expressed in ng · sampler−1; b: slope of calibration curve expressed in relative units.
