Results 151 to 160 of about 188,345 (194)
Iodine speciation in cementitious environments [PDF]
Applied Geochemistry, 2019 Abstract Iodine-129 is a key risk driver in most low-level waste cementitious waste repositories. Objectives of this study were to determine iodine speciation in cementitious materials with slag (Grout+slag) and without slag (Grout–slag) and its impact on iodine immobilization.
Peter H Santschi +2 more
exaly +2 more sources
Environmental Science and Technology Letters, 2023 On-site analysis of iodine and its speciation in seawater is important for the prediction of radioactive iodine contamination. However, current methods, both colorimetric and instrumental, cannot meet the recent demand for field analysis and an increased
Chengbin Zheng, Jinyi Zhang, Yao Lin
exaly +3 more sources
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Soil Science and Plant Nutrition, 1999
Abstract In order to analyze the behavior and phytoxicity of iodine in soil, the chemical forms of soil iodine must be identified. Therefore, a method for quantitative speciation of iodine in soil was proposed. Iodine extracted from soil samples with tetrametBPyIammonium hydroxide (TMAH) was separated into humic and fnalvic acid fractions at pH4 1.5 ...
Koyo Yonebayashi, Hidekazu Yamada
exaly +2 more sources
Abstract In order to analyze the behavior and phytoxicity of iodine in soil, the chemical forms of soil iodine must be identified. Therefore, a method for quantitative speciation of iodine in soil was proposed. Iodine extracted from soil samples with tetrametBPyIammonium hydroxide (TMAH) was separated into humic and fnalvic acid fractions at pH4 1.5 ...
Koyo Yonebayashi, Hidekazu Yamada
exaly +2 more sources
Iodine speciation in rain and snow: Implications for the atmospheric iodine sink
Journal of Geophysical Research D: Atmospheres, 2007Atmospheric iodine models currently predict iodate as the only stable iodine sink species in the troposphere. However, it is shown here using ion chromatograph inductively coupled plasma‐mass spectroscopy (IC‐ICP‐MS) that iodate is the least abundant iodine species in precipitation (rain and snow) collected from various locations in southern Germany ...
Harald Biester, Benjamin Gilfedder
exaly +2 more sources
Speciation of Iodine in High Iodine Groundwater in China Associated with Goitre and Hypothyroidism
Biological Trace Element Research, 2008Iodine intake affects the occurrence of disease in a population. Excessive iodine intake may be caused by a high iodine content of drinking water. Tap water in few locations in Europe contains up to 139 microg/L mostly bound to humic substances, probably leaching from marine sediments in the aquifers.
Andersen, Stig +3 more
openaire +4 more sources
Iodine speciation in iodine-enriched microalgae Chlorella vulgaris
Pure and Applied Chemistry, 2010The characterization of iodine species in the microalgae Chlorella vulgaris after cultivation with different potassium iodide concentrations was performed using the coupling of multidimensional chromatography (size exclusion chromatography, SEC, and anion exchange chromatography, AEC) with inductively coupled plasma-mass spectrometry (ICP-MS) detection.
Veronica Gómez-Jacinto +5 more
openaire +1 more source
Speciation of dissolved iodine in estuarine waters
Nature, 1979IODINE in seawater is present as iodate (IO3−) and as iodide (I−)1–3. Although there is some uncertainty in the true redox potentials of natural waters4, the thermodynamically stable species of iodine in seawater, and in river waters which are well oxygenated, is iodate5–7. We have studied an estuary to determine the distribution of iodine species as a
J. DAVID SMITH, EDWARD C. V. BUTLER
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Iodine Speciation in Rain and Snow
2007Iodine has been of interest recently due its role in new aerosol formation. However, it is also a vital nutrient for all mammals, and iodine deficiency disorders are though to affect 30% of the global population. Here we show that, in contrast to current models, organo-I is the most abundant species in rain and snow from Australia, New Zealand, Ireland,
B. S. Gilfedder, M. Petri, H. Beister
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Iodine speciation in chesapeake bay waters
Marine Chemistry, 1988Abstract We report on the speciation of iodine in Chesapeake Bay during July 1986. Surface and bottom water samples were taken along the estuary at every 1–2% salinity division. At three locations in the upper bay, samples were taken above, at and below the pycnocline. All samples were analyzed by differential pulse polarography.
George W. Luther, Hugh Cole
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