289 / 302
RT:
6.57 -18.36
SM:
7B
7
8
9
10
11
12
13
14
15
16
17
18
Time (min)
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
RelativeAbundance
70ug/m3
Av.Ht.=1447020
28ug/m3
Av.Ht.=802015
14ug/m3
Av.Ht.=470651
5.6ug/m3
Av.Ht.=228736
2.8ug/m3
Av.Ht.=159554
Background
Av.Ht.=91223
NL:1.68E6
TIC F: -cAPCI
sid=5.00 SRMms2
126.000@cid13.00
[92.500-93.500] MS
Phenolcourb
PHENOL
RT
Syringe
Speed
Aver Height
Background
Subtracted
6.0
OFF
57639
4.6
249205
191566
Phenol
RT (min)
Syringe
Speed
Average Height
Background
Subtracted
Response/ISTD
Ratio
Concentration
(µg/m
3
)
7.4 - 8.2
9
1447020
1355797
7.1
70
9.1 - 9.9
7
802015
710792
3.7
28
10.9 - 11.7
5
470651
379428
2.0
14
12.6 - 13.4
3
228736
137513
0.7
5.6
14.4 - 15.2
1
159554
68331
0.4
2.8
16.0 - 16.8
OFF
91223
0
0.0
0
Std. Dev. = 3871
(3 x Std. Dev.) =
11613
0.06
0.4
LOD
ISTD: Acetic acid
13
D
2
, syringe 1 mL, Speed 2
SRM (
m/z
94
→
m/z
61)
SRM (
m/z
126
→
m/z
93)
Calibration Curve
PHENOL
y = 0.6023x
2
+ 5.5954x
R
2
= 0.999
0
10
20
30
40
50
60
70
80
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
Conc.ug/m
3
Ratio (
m/z
126
→
m/z
93)/ISTD
Figure 10: Calibration curve for phenol.
Figure 9: Reconstructed ion trace for phenol to produce the calibration curve.
Table 8. Quantitative results for phenol, and LOD determination.