Challenges in preparing soil samples and performing a reliable plutonium isotopic analysis by ICP-MS

Soil samples were prepared by performing ion exchange and extraction chromatography separation techniques and measured in the low resolution mode (m/Δm = 300) using a standard nebulizer (1 mL/min, U-type, “Glass Expansion”) and a cyclonic 50 mL spray chamber. With this configuration if plutonium con...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2015-01, Vol.303 (1), p.751-759
Main Authors: Puzas, A., Genys, P., Remeikis, V., Druteikienė, R.
Format: Article
Language:English
Subjects:
Chambers
Chemical tests and reagents
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Hadrons
Heavy Ions
Hydrochloric acid
Inhalers
Inorganic Chemistry
Nitric acid
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Plutonium
Soil (material)
Sprayers
Sprays
Uranium
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Summary:Soil samples were prepared by performing ion exchange and extraction chromatography separation techniques and measured in the low resolution mode (m/Δm = 300) using a standard nebulizer (1 mL/min, U-type, “Glass Expansion”) and a cyclonic 50 mL spray chamber. With this configuration if plutonium concentration is in a sub-ppt range, 238 U 1 H + must be taken into the account; however, taking into the account 238 U 1 H 1 H + is not necessary. In all cases it is strongly recommended to avoid using hydrochloric acid as a final stabilizing matrix and use the ultrapure nitric acid as it creates the lowest background at 239 and 240 m/z values.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-014-3411-8