Speciation analysis of 129I in seawater using coprecipitation and accelerator mass spectrometry and its applications

Shan Xing; Xiaolin Hou; Ala Aldahan; Göran Possnert

doi:10.1007/s10967-016-5060-6

Speciation analysis of ¹²⁹I in seawater using coprecipitation and accelerator mass spectrometry and its applications

Shan Xing, Xiaolin Hou, Ala Aldahan, Göran Possnert

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Abstract

Speciation analysis of long-lived ¹²⁹I in seawater can provide useful information on the source of water masses. This paper presents an improved method for speciation analysis of ¹²⁹I based on coprecipitation of iodide as AgI with Ag₂SO₃ and AgCl. By adding a small amount of ¹²⁷I carrier, the separation efficiency of iodine species and the accuracy and precision of ¹²⁹I measurement are remarkably improved.¹²⁹I species in depth profiles of seawater from the Antarctic were analyzed for investigation of water circulation in the Antarctic.

Original language	English
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	311
Issue number	1
Pages (from-to)	833–841
Number of pages	9
ISSN	0236-5731
DOIs	https://doi.org/10.1007/s10967-016-5060-6
Publication status	Published - 2017

Keywords

129I
Accelerator mass spectrometry
Seawater
Speciation analysis

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title = "Speciation analysis of 129I in seawater using coprecipitation and accelerator mass spectrometry and its applications",

abstract = "Speciation analysis of long-lived 129I in seawater can provide useful information on the source of water masses. This paper presents an improved method for speciation analysis of 129I based on coprecipitation of iodide as AgI with Ag2SO3 and AgCl. By adding a small amount of 127I carrier, the separation efficiency of iodine species and the accuracy and precision of 129I measurement are remarkably improved. 129I species in depth profiles of seawater from the Antarctic were analyzed for investigation of water circulation in the Antarctic.",

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AU - Xing, Shan

AU - Hou, Xiaolin

AU - Aldahan, Ala

AU - Possnert, Göran

PY - 2017

Y1 - 2017

N2 - Speciation analysis of long-lived 129I in seawater can provide useful information on the source of water masses. This paper presents an improved method for speciation analysis of 129I based on coprecipitation of iodide as AgI with Ag2SO3 and AgCl. By adding a small amount of 127I carrier, the separation efficiency of iodine species and the accuracy and precision of 129I measurement are remarkably improved. 129I species in depth profiles of seawater from the Antarctic were analyzed for investigation of water circulation in the Antarctic.

AB - Speciation analysis of long-lived 129I in seawater can provide useful information on the source of water masses. This paper presents an improved method for speciation analysis of 129I based on coprecipitation of iodide as AgI with Ag2SO3 and AgCl. By adding a small amount of 127I carrier, the separation efficiency of iodine species and the accuracy and precision of 129I measurement are remarkably improved. 129I species in depth profiles of seawater from the Antarctic were analyzed for investigation of water circulation in the Antarctic.

KW - 129I

KW - Accelerator mass spectrometry

KW - Seawater

KW - Speciation analysis

U2 - 10.1007/s10967-016-5060-6

DO - 10.1007/s10967-016-5060-6

M3 - Journal article

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