Table 8.13 Internal standard recovery, %
(from [569])
Mesitylene
Naphthalene TrimethylPhenanthrene MeC
11 d
MeC
l4
naphthalene
Water (4 h headspace sampled)
8
± 2" (6)b 29
± 4 (6)
12
± 4 (6) 17
± 5 (6) 62
± 4 (6)
Water (18 h headspace sampled) 6
± 1 (3) 52
± 9 (3)
95
± 5 (3) 92
± 4 (3) 31
± 8 (3) 84
± 3 (3)
Mussels (4 h)
20
± 3 (7) 66
± 8 (8)
44
± 6 (5) 17
± 4 (5) 12
± 3 (3) 11
± 2 (4)
Mussels 2 mol
1-1 KCI (4 h)
5
± 1 (2) 40
± 5 (2)
20
± 3 (2)
7
± 1 (2) 8
± 3 (2) 11
± 1 (2)
Mussels 2 mol
1-1 KOH (4 h)
83
± 18 (2) 88
± 6 (2) 40
± 6 (2) 4
± 1 (2)
7
± 3 (2)
Mussels 2 mol 1-1 KOH
+ 4 M
KCl (18 h) No HPLC
30
± 2 (2) 69
± 6 (2) III
± 2 (2) 119
± 1 (3) 28
± 11 (2) 33
± 1 (2)
HPLC Cleanup
39
± 7 (3)
74
± 28 (3) 91
± 6 (9) 20
± 6 (3) 29
± 6 (3)
Mussels 2.5 mol
1-1 NaOH (18 h)
No HPLC cleanup
62
± 1 (4)
90
± 8 (3) 96
± 6 (3)
HPLC cleanup
54
± 5 (9)
73
± 2 (10) 82
± 2 (9)
" Data reported as the standard deviation (1 (1)
of a set of replicate values from the mean of the replicate values
b Denotes number of samples analyzed
C
Indicates no recovery of internal standard
MeC
l6
74
± 8 (6)
97
± 3 (3)
4
± 0.3 (4)
6
± 0 (2)
2
± 1 (2)
32
± 1 (2)
32
± 8 (3)
d
MeC
11 = 2-methylundecane, MeC
l4 = 5-methyltetradecane, MeC
l6 = 7-methylhexadecane, and MeC
l8 = 2-methyloctadecane
MeC
l8
57
± 8 (6)
94
± 3 (3)
2
± 0.5 (4)
3
± 1 (2)
2
± 1 (2)
26
± 4 (2)
26
± 8 (3)
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