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Determination of plutonium in environmental samples with quadrupole ICP-MS
Örebro University, Department of Natural Sciences.
Örebro University, Department of Natural Sciences.
Örebro University, Department of Natural Sciences.
Radiofysikavdelningen, O-centrum US, Universitetssjukhuset, Linköping, Sweden .
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2008 (English)In: Journal of Radioanalytical and Nuclear Chemistry, ISSN 0236-5731, E-ISSN 1588-2780, Vol. 275, no 1, p. 55-70Article in journal (Refereed) Published
Abstract [en]

A method for rapid determination of plutonium isotopes in environmental samples with ultrasonic nebulisation and quadrupole ICP-MS detection was established. Techniques for sample dissolution, pre-concentration and chemical separation were evaluated and the optimal scheme outlined. Comparisons with α-spectrometry and high resolution ICP-MS confirmed the suitability of the method when applied to different environmental matrices within the global fallout concentration range in the northern hemisphere as well as more contaminated sites. Operational detection limits were 0.5–1.5 fg/l for fresh waters and 0.03–0.1 ng/kg for lake sediments and saline marsh sediments.

Place, publisher, year, edition, pages
Berlin: Springer , 2008. Vol. 275, no 1, p. 55-70
National Category
Other Basic Medicine Chemical Sciences
Research subject
Chemistry
Identifiers
URN: urn:nbn:se:oru:diva-3231DOI: 10.1007/s10967-006-7004-zISI: 000251867200007Scopus ID: 2-s2.0-37549053953OAI: oai:DiVA.org:oru-3231DiVA, id: diva2:137475
Available from: 2007-02-13 Created: 2007-02-13 Last updated: 2018-01-13Bibliographically approved
In thesis
1. Rapid analysis of actinide isotopes using quadrupole ICP-MS for emergency preparedness and environmental monitoring
Open this publication in new window or tab >>Rapid analysis of actinide isotopes using quadrupole ICP-MS for emergency preparedness and environmental monitoring
2007 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Transuranium elements in the environment are mainly derived from nuclear weapons testing and the nuclear fuel cycle. Of growing concern are illicit nuclear trafficking and the threat of terror acts. The development of rational methods, for environmental monitoring and for tracing sources of nuclear and radioactive materials in the environment, is constantly required.

Traditionally, the actinides have been determined by radiometric techniques. These analyses can be time consuming for elements at low concentrations and with long half-lives. This thesis addresses the determination of actinides, especially plutonium, in environmental samples with ICP-QMS (inductively coupled plasma quadrupole mass spectrometry). The ICP-QMS instrument was equipped with an USN (ultrasonic nebuliser), which proved to be a successful combination for the determination of plutonium at low concentrations in acidified solutions after separation with anion exchange. The detection limit for plutonium was in the range 10-30 pg/l with a RSD of 1-10%. The suitability of chemical separation was evaluated for anion exchange, liquid-liquid-extraction and extraction chromatography.

The outlined procedure, including sample dissolution, chemical separation and analysis, for determination of actinides in environmental matrices proved to be accurate and reliable. Quality assurance of the procedure was performed during an intercomparison exercise and with reference materials. The detection accuracy has also been validated with α-spectrometry and ICP-SFMS. The procedure has been applied to saline sediments and fresh water sediments as well as several fresh water matrices.

Place, publisher, year, edition, pages
Örebro: Örebro universitetsbibliotek, 2007. p. 67
Series
Örebro Studies in Environmental Science, ISSN 1650-6278 ; 10
Keyword
quadrupole ICP-MS, actinides, plutonium, preparedness
National Category
Natural Sciences Chemical Sciences Environmental Sciences
Research subject
Enviromental Science
Identifiers
urn:nbn:se:oru:diva-947 (URN)978-91-7668-529-7 (ISBN)
Public defence
2007-03-06, Hörsal 3, Örebro universitet, Fakultetsgatan 1, Örebro, 10:15
Opponent
Supervisors
Available from: 2007-02-13 Created: 2007-02-13 Last updated: 2017-10-18Bibliographically approved

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Greis, ChristinaKarlsson, StefanDüker, AndersAllard, Bert

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