Thesis for the Degree of Doctor of Philosophy - DTU Orbit

Table 1 Analytical results of 129 I and 127 I as iodide and iodate and total iodine in fresh water samples collected
from Denmark
127 -1
I µg iodine L
129 9
I conc., 10 at/L
129 127 -7
I/ I, 10 at/at
Sampling
date
Sampling
locations Coordinates
Total
iodine Iodide Iodate
Total
iodine Iodide Iodate
129 127
I/ I
129 - 127 -
I / I
129 -
IO 3 /
127 -
IO 3
29/09/07 Engsø 55 0 37’966’N
08 0 08’172’E
4.8 4.5 0.03 5.9 7.0 0.06 26.5 33.6 43.2
29/09/07 Grovsø 55 0 37’775’N
08 0 11’967’E
2.9 2.3 0.3 6.6 6.7 0.7 49.1 62.9 50.3
29/09/07 Fåresø 55 0 37’383’N
08 0 14’335’E
7.6 7.7 0.03 12.8 15.1 0.1 36.3 42.3 71.9
27/09/07 Karlsgårdesø 55 0 38’708’N
08 0 34’987’E
2.6 2.8 0.04 1.7 2.3 0.06 14.1 17.7 32.4
26/09/07 Glejbjerg 55 0 32’749’N
08 0 50’587’E
5.9 4.6 ND 5.8 6.0 0.06 21.2 28.1 -
26/09/07 Skærsø 55 0 35’107’N
09 0 16’643’E
6.1 3.1 0.2 10 10.5 0.4 35.4 73.1 43.2
25/09/07 Rands 55 0 37’262’N
09 0 44’375’E
4.9 4.0 0.2 3.4 3.5 0.2 15.0 18.9 21.6
31/10/07 Ulvshale 55 0 02’933’N
12 0 14’874’E
5.5 9.8 0.4 5.1 5.1 0.03 20.0 11.2 1.6
31/10/07 Dybesø 55 0 57’665’N
11 0 44’674’E
35.6 35.5 0.2 1.7 1.8 0.1 1.0 1.1 10.8
ND: not detected; the iodide and iodate were separated by using Bio - Rad AG1 - × 4 anion exchange resin while the total
iodine-129 and 127 as organic and inorganic iodine were obtained by oxidation of organic matter using NaClO in alkaline
medium at 150 0 C for 3h.
Table 2 Analytical results of 129 I and 127 I as iodide and iodate and total iodine in fresh water samples
collected from Sweden
127 -1
I µg iodine L
129 9
I conc., 10 at/L
129 127 -7
I/ I, 10 at/at
Sampling Sampling Coordinates Sample Total
Total
129 127
I/ I
129 - 127 -
I / I
129 - 127 -
IO 3 / IO 3
date location
type iodine Iodide Iodate iodine Iodide Iodate
12/09/07 Ringsjön 55 0 52’17.69’’N
13 0 30’34.24’’E
Lake 7.6 7.6 0.3 1.9 1.9 0.02 5.4 5.4 1.4
12/09/07 Ivösjön 56 0 09’22.99’’N
14 0 23’03.97’’ E
Lake 6.2 8.2 0.2 1.8 2.4 0.03 6.3 6.3 3.2
03/09/07 Hagbyån 56 0 38’59.83’’N
15 0 52’10.46’’ E
River 6.4 8.5 0.2 1.3 1.3 0.04 4.4 3.3 4.3
04/09/07 Saleboda 56 0 28’32.11’’N
15 0 34’40.61’’ E
Lake 6.5 6.4 0.3 1.9 2.3 0.05 6.3 7.8 3.6
04/09/07 Råsbäck 56 0 38’15’N
16 0 2’16’ E
Rain 4.8 3.5 0.3 3 4 0.2 13.5 24.7 14.4
The iodide and iodate were separated by using Bio-Rad AG1- × 4 anion exchange resin while the total iodine-129 and 127 as organic
and inorganic iodine were obtained by oxidation of organic matter using NaClO in alkaline medium at 150 0 C for 3h.
10