Table 2:
Kinetics of the Hg photoreduction and its MDF and MIF isotope fractionation dependent on the Hg/DOC ratio.
Hg/DOC (ng/mg)
% of Hg reacted during the first hour
Fractionation factors (1000(
1
−
𝛼
))
for
200
Hg/
198
Hg (MDF)
For
201
Hg/
198
Hg (MIF)
34.6
5%
0.36
2.73
167
8%
0.28
4.07
833
10%
0.53
5.01
8330
50%
0.50
2.21