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Iodine soil dynamics and methods of measurement: a review

Humphrey, O.S.; Young, S.D.; Bailey, E.H.; Crout, N.M.J.; Ander, E.L.; Watts, M.J.

Authors

O.S. Humphrey

S.D. Young

LIZ BAILEY LIZ.BAILEY@NOTTINGHAM.AC.UK
Professor of Environmental Geochemistry

N.M.J. Crout

LOUISE ANDER Louise.Ander1@nottingham.ac.uk
Principal Research Fellow

M.J. Watts



Abstract

Iodine is an essential micronutrient for human health: insufficient intake can have multiple effects on development and growth, affecting approximately 1.9 billion people worldwide. Previous reviews have focussed on iodine analysis in environmental and biological samples, however, no such review exists for the determination of iodine fractionation and speciation in soils. This article reviews the geodynamics of both stable 127I and the long-lived isotope 129I (t1/2 ¼ 15.7 million years), alongside the analytical methods for determining iodine concentrations in soils, including consideration of sample preparation. The ability to measure total iodine concentration in soils has developed significantly from rudimentary spectrophotometric analysis methods to inductively coupled plasma mass spectrometry (ICP-MS). Analysis with ICP-MS has been reported as the best method for determining iodine concentrations in a range of environmental samples and soils due to developments in extraction procedures and sensitivity, with extremely good detection limits typically

Citation

Humphrey, O., Young, S., Bailey, E., Crout, N., Ander, E., & Watts, M. (2018). Iodine soil dynamics and methods of measurement: a review. Environmental Science: Processes and Impacts, 20(2), https://doi.org/10.1039/c7em00491e

Journal Article Type Article
Acceptance Date Dec 22, 2017
Online Publication Date Dec 22, 2017
Publication Date Feb 28, 2018
Deposit Date Apr 10, 2018
Publicly Available Date Mar 29, 2024
Journal Environmental Science: Processes & Impacts
Electronic ISSN 2050-7887
Publisher Royal Society of Chemistry
Peer Reviewed Peer Reviewed
Volume 20
Issue 2
DOI https://doi.org/10.1039/c7em00491e
Public URL https://nottingham-repository.worktribe.com/output/917279
Publisher URL http://pubs.rsc.org/en/Content/ArticleLanding/2018/EM/C7EM00491E#!divAbstract

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