Accuracy/Precisiondata from four determinations ofMethod525.1analytes at 2µg/LwithLiquid-SolidSIMDisk
™
-GF47mm
extractiondisk and theFinniganMAT ITS40 IonTrapMS
std. dev.
(µg/L)
target conc.
(µg/L)
mean
(µg/L)
%RSD
compound
accuracy
(%of target)
%REC.
inmethod
acenaphthalene-d10
5
------
------
------
------
------
henanthrene-d10
5
------
------
------
------
------
chrysene-d12
5
------
------
------
------
------
hexachlorocyclopentadiene
2
1.6
0.30
2.1
80
55
dimethylphthalate
2
1.8
0.17
9.4
90
95
acenaphthylene
2
2.0
0.60
3.1
100
95
2-chlorobiphenyl
2
2.0
0.50
2.4
100
95
diethylphthalate
2
2.1
0.70
3.3
105
100
fluorene
2
2.1
0.60
3.1 105
110
2,3-dichlorobiphenyl
2
2.0
0.70
3.2
100
115
hexachlorobenzene
2
2.0
0.60
2.8
100
85
simazine
2
1.9
0.19
10.2
95
105
atrazine
2
2.1
0.16
7.5
105
110
pentachlorophenol
8
9.7
0.79
8.2
121
97
gamma-BHC
2
2.1
0.40
2.2
105
105
phenanthrene
2
2.2
0.40
1.9
110
120
anthracene
2
2.0
0.90
4.6
100
85
2,4,5-trichlorobiphenyl
2
1.9
0.40
1.9
95
85
alachlor
2
2.1
0.40
1.7
105
------
heptachlor
2
1.9
0.40
2.2
95
110
di-n-butylphthalate
2
2.5
0.24
9.5
125
110
2,2',4,4'-tetrachlorobiphenyl
2
1.9
0.20
1.2
95
75
aldrin
2
1.6
0.20
12.7
80
80
heptachlor epoxide (isomer B)
2
2.1
0.50
2.5
105
115
2,2',3',4,6-pentachlorobiphenyl
2
1.9
0.50
2.4
95
95
gamma-chlordane
2
1.9
0.80
4.1
95
110
pyrene
2
2.0
0.40
2.0
100
95
alpha-chlordane
2
1.9
0.50
2.8
95
100
trans-nonachlor
2
1.9
0.70
3.7
95
135
2,2',4,4',5,6'-hexachlorobiphenyl
2
1.7
0.14
8.0
85
80
endrin
2
2.2
0.50
2.2
110
90
butylbenzylphthalate
2
2.2
0.12
5.4
110
100
bis(2-ethylhexyl)adipate
2
1.8
0.21
11.9
90
80
2,2',3,3',4,4',6-heptachlorobiphenyl
2
1.8
0.40
1.9
90
70
methoxychlor
2
2.1
0.50
2.5
105
90
2,2',3,3',4,5',6,6'-octachlorobiphenyl
2
1.7
0.20
1.2
85
90
benzo(a)anthracene
2
1.9
0.20
0.9
95
90
chrysene
2
1.9
0.20
0.9
95
110
bis(2-ethylhexyl)phthalate
2
2.2
0.40
2.0
110
95
benzo(b)fluoranthene
2
2.0
0.90
4.2
100
------
benzo(k)fluoranthene
2
2.0
0.80
4.2
100
105
benzo(a)pyrene
2
2.0
0.10
5.1
100
40
perylene-d12
5
4.7
0.34
7.3
94
100
indeno(1,2,3-cd)pyrene
2
1.9
0.22
11.6
95
20
dibenzo(a,h)anthracene
2
1.8
0.20
11.3
90
15
benzo(g,h,i)perylene
2
1.8
0.18
9.9
90
35
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