Solvent name Parameter Spike levels
LOQ 50s% 100% 150%
Benzene Conc. Of solvent (ppm)
Conc. Of spiked solvent (ppm)
% Mean Recoverya
0.9
0.9
100.0
1.1
1.0
107.0
2.3
2.1
109.5
3.5
3.1
109.6
Toluene Conc. Of solvent (ppm)
Conc. Of spiked solvent (ppm)
% Mean Recoverya
3.5
5.0
122.1
51.8
55.3
104.4
103.7
107.7
102.8
155.5
166.1
104.8
Chloro benzene Conc. Of solvent (ppm)
Conc. Of spiked solvent (ppm)
% Mean Recoverya
2.6
2.7
103.8
51.6
52.2
101.6
103.2
103.2
100.0
154.7
159.3
104.0
Mean of 6 determinations
Table 4: Accuracy data of proposed method.