Table 5
.
Method recovery and precision data at trace level (avg. recovery 103%).
Compound
name
Spike level 0.1 mg/L
Spike level 0.3 mg/L
Recovery %
RSD %
Recovery %
RSD %
DMP
95.0
5.4
99.0
4.7
DEP
103.0
5.5
108.0
2.2
DIBP
101.0
2.0
101.0
3.2
DBP
107.0
6.6
101.0
1.3
DMPP
105.0
3.3
107.0
5.7
DMEP
86.3
5.3
83.2
3.4
DPP
109.0
6.0
104.0
1.6
DEEP
103.0
4.1
104.0
3.2
DHP
104.0
4.6
109.0
3.7
BBP
110.0
3.6
103.0
3.7
DEHP
102.0
1.4
105.0
4.1
DBEP
104.0
5.0
108.0
4.6
DCHP
103.0
4.1
103.0
3.6
DOP
105.0
5.8
104.0
2.6
DPhP
108.0
4.2
109.0
1.8
DNP
107.0
8.4
101.0
5.4
Table 6. The phthalate ester concentration in eight commercial liquor samples(mg/L).
CompouND Sample 1 Sample 2 Sample 3 Sample 4 Sample 5 Sample 6 Sample 7 Sample 8
DMP
ND
0.303
ND
ND
0.005
ND
ND
0.025
DEP
ND
ND
ND
ND
0.011
ND
ND
ND
DIBP
ND
1.526
ND
1.373
0.106
ND
ND
ND
DBP
ND
1.024
0.045
0.656
0.133
ND
0.469
0.064
DMPP
ND
ND
ND
ND
ND
ND
ND
ND
DMEP
ND
ND
ND
ND
ND
ND
ND
ND
DPP
ND
ND
ND
ND
ND
ND
ND
ND
DEEP
ND
ND
ND
ND
ND
ND
ND
ND
DHP
ND
ND
ND
ND
ND
ND
ND
ND
BBP
ND
ND
ND
ND
ND
ND
ND
ND
DEHP
0.086
0.029
0.010
0.236
0.014
0.006
0.017
0.016
DBEP
ND
ND
ND
ND
ND
ND
ND
ND
DCHP
ND
ND
ND
ND
ND
ND
ND
ND
DOP
ND
ND
ND
ND
ND
ND
ND
ND
DPhP
ND
ND
ND
ND
ND
ND
ND
ND
DNP
ND
ND
ND
ND
ND
ND
ND
ND
Note: ND = not detected
10
