229
Table 7.8 Method parameters when pulse pressure injection of 50 psi is used
Quantifier
ion
Qualifier
ions
E
e
%
t
s
Min
LOD
ng/μl
LOQ
ng/μl
RSD
%
R
%
R
2
Regression equation
Pyrimethanil
198
199
97.04
16.40
0.048
0.146
3.14
102
0.9993
y = 0.0751·x −0.002
Pirimicarb
166
72, 238
99.6
17.42
0.167
0.507
2.89
116
0.9921
y = 0.0535 ·x −0.0016
Pirimiphos methyl
290
276, 305
98.76
20.12
0.001
0.005
3.47
68
0.9940
y = 0.0374·x −0.0013
Chlorpyrifos
197
97, 199
99.99
21.06
0.388
1.17
6.34
68
0.9923
y = 0.1114·x −0.0116
Triadimenol
112
168, 128
93.14
23.82
0.112
0.341
5.00
92
0.9964
y = 0.0166·x −0.0003
Buprofezin
105
106, 172
99.96
26.07
0.003
0.008
2.92
65
0.9987
y = 0.0698·x −0.0003
Benalaxyl
148
91, 206
98.58
27.99
0.21
0.65
4.52
104
0.9871
y = 0.046·x +0.0017
Ee
extraction efficiency, t
s retention time, LOD
limit of detection, LOQ
limit of quantification, RSD
relative standard deviation, R
reproducibility, R
2
linear
regression
7 Improving Quantitative Analysis of GC-MS for Tracking Potential Contaminants…