Thesis for the Degree of Doctor of Philosophy - DTU Orbit

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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
References Aldahan A, Kekli A, Possnert G. Distribution and sources of 129 I in rivers of the Baltic region. J. Environ. Radioact. 2006, 88: 49-73 Aldahan, A., Englund, E., G. Possnert., I. Cato, Hou, X.L., 2007. Iodine-129 enrichment in sediment of the Baltic Sea, Applied Geochemistry 22,637–647. Englund, E., Aldahan, A., Hou, X.L., 2010. Speciation of iodine (127I and 129I) in lake sediments. Nucl. Instr. and Meth.in Physics Research B 268, 1102-1105. Fuge R& Johnson C. 1986. The geochemistry of iodine – a review, Environmental Geochemistry and Health, 8(2), 31, 1986 Hansen,V., Yi, P., Hou, X., Roos, P., Aldahan, A., Possnert, G. Iodine ( 129 I and 127 I) speciation in the surface water of Baltic Sea. Submitted to Science of the Total Environment. In preparation Hou XL, Aldahan A, Nielsen SP, Possnert G, Nies H, Hedfors J. Speciation of 129I and 127I in Seawater and Implications for Sources and Transport Pathways in the North Sea Environ. Sci. Technol. 2007, 41: 5993–5999. Hou, X.L., Hansen, V., Aldahan, A., Possnert, G., Lind, O.C., Lujaniene, G., 2009. A review on speciation of iodine-129 in the environmental and biological samples. Analytica Chimica Acta. 632, 181-196. Hou, XL., Aldahan A., Nielsen SP and Possnert G. 2009b. Time series of 129 I and 127 I Speciation in Precipitation from Denmark. Environ. Sci. Technol. 43, 6522-6528. Jones SD and Truesdale VW. 1984. Disolved iodine species in a British freshwater system, Limnol. Oceanogr., 29, 1016,1984 11
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Chemical Speciation Analysis and En
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Thesis for the Degree of Doctor of
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Abstract This thesis deals with che
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environment since they reflect the
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organiske jodformer. Adsorption af
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None of this would have been possib
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Abbreviations and acronyms b+ - pos
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3.1 Analytical Development………
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Table 1 Some properties of iodine P
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In soils/sediments iodine occurs as
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Table 2 Nuclear properties of iodin
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Liquid scintillation counting (LSC)
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The bioavailability of radioactive
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data (Englund et al., 2010; Hou et
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2. Analytical procedures used in th
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2.3 Quantification of total iodine
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Fig. 5 Quantification of total iodi
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iodate were measured by counting 12
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Fig. 6 Sequential extraction proced
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a Fig. 8 Calibration curve for (a)
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experiment was subjected to combust
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Table 7 Adsorption of iodine specie
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numbers 11-14), which is about the
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marine environment from nuclear fue
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127 I - (ppb) 127 IO3 - (ppb) a b 1
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Although the oxygen concentration d
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129 I TBq 2,00E+00 1,80E+00 1,60E+0
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• Adsorption of iodine species on
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Reference Aldahan A, Kekli A, Possn
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Fuge R& Johnson C. 1986. The geoche
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Lo´pez-Gutie´rrez JM, Garcı ´a-
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Shinohara K. 2004. Measurement and
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http://www.irsn.fr/EN/news/Document
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Review Analytica Chimica Acta 632 (
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Table 1 Nuclear properties and prod
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Fig. 2. Liquid discharges of 129 I
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Fig. 5. Schematic diagram and pictu
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129 I in iodide and iodate is then
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Fig. 8. Diagram of air sampler for
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Fig. 10. Iodine L3-edge (a) and K-e
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analysis of 129 I in water sample a
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Yi P, Aldahan A, Hansen V, Possnert
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FIGURE 1. Sampling sites (the red s
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FIGURE 3. Horizontal distribution o
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FIGURE 5. Time series data of 129 I
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Environmental Science & Technology
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prepared using KI and KIO3. No diff
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of their contribution to the Baltic
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Fig. S-1 Sampling sites (the red so
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Fig. S-3 Vertical distribution of I
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Fig. S-5 Marine discharges function
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Fig.S-7 Relationship between I-129
Page 105 and 106: Table S-1 Results of I-129 and I-12
Page 107 and 108: S17
Page 109 and 110: Paper III Hansen,V., Yi, P., Hou, X
Page 111 and 112: conversion process between iodide a
Page 113 and 114: Table 1 Analytical results of 129 I
Page 115 and 116: August April I-129 iodide ( 10 8 at
Page 117 and 118: References Aldahan A, Kekli A, Poss
Page 119 and 120: Partition of iodine ( 129 I and 127
Page 121 and 122: Norway (Table 1). CTD-casts with ox
Page 123 and 124: 5. Discussion 5.1. Separation of hu
Page 125 and 126: In the present study 40e60% of 129
Page 127 and 128: Hutta, M., Gora, R., 2003. Novel st
Page 129 and 130: Analysis of 129 I and 127 I in arch
Page 131 and 132: et al., 2002). Due to the fact that
Page 133 and 134: espectively. The iodine was leached
Page 135 and 136: salinities in the same area. Apart
Page 137 and 138: North Sea. 129 I/ 127 I ratios in w
Page 139 and 140: Table 2 Analytical results of 129-I
Page 141 and 142: 129 I/ 127 I 1,40E-07 1,20E-07 1,00
Page 143 and 144: References Aldahan A, Englund E, Po
Page 145 and 146: O’Dowd, C.; Jimenez, J. L.; Bahre
Page 147 and 148: Iodine ( 129 I and 127 I) speciatio
Page 149 and 150: water in winter by molecular oxygen
Page 151 and 152: 0.2 M KNO3. The effluent and the wa
Page 153 and 154: maximum values is at 0.03-0.06×10
Page 155: into the English Channel from the L
Page 160 and 161: Risø-PhD-81(EN)
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Thesis for the Degree of Doctor of Philosophy - DTU Orbit

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