EU-SICHERHEITSDATENBLATT Dieselkraftstoff ... - Schmierstoffe

ioHCwin half-life (days)
1000.0
100.0
60 d half-life
10.0
1.0
0 5 10 15 20 25 30 35 40
Carbon number
Figure 1. Half-life predictions for n-paraffins using the US EPA model BioHCwin
Hydrocarbon
C nr
BioHCwin
Predicted
Half-Life
(days)
Measured
Seawater
Half-Life
(days)
Measured
Freshwater
Half-Life
(days)
n-butane 4 3.5 15.0
n-pentane 5 4.0 10.5 10.7
n-hexane 6 4.7 3.5 6.3
n-hexane 6 4.7 6.5
n-heptane 7 5.5 3.5 2.3
n-octane 8 6.4 2.1
n-nonane 9 7.4 2.1 2.1
n-decane 10 8.7 2.1
n-undecane 11 10.1 2.1
n-dodecane 12 11.8 2.1 1.9
n-tridecane 13 13.7 2.3
n-tetradecane 14 16.0 2.3
n-pentadecane 15 18.6 2.4
n-hexadecane 16 21.7 4.60 2.5
n-heptadecane 17 25.3 2.3
n-octadecane 18 29.4 2.5
n-nonadecane 19 34.3 2.8
Table 1. Predicted and experimental marine and freshwater half-life values for n-paraffins
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