TITLE

Polyatomic interference removal using a collision reaction interface for plutonium determination in the femtogram range by quadrupole ICP-MS

AUTHOR(S)
Olufson, Kylie; Moran, Grainne
PUB. DATE
May 2016
SOURCE
Journal of Radioanalytical & Nuclear Chemistry;May2016, Vol. 308 Issue 2, p639
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This paper proposes a new method for accurately determining low-level Pu using quadrupole ICP-MS with collision reaction interface (CRI) technology. A helium CRI gas flow rate of 70 mL min with a radiofrequency power of 1.4 kW was found to be suitable for the removal of the UH interference in order to accurately determine Pu. The optimum instrument conditions were applied to a quantitative analysis, which produced a Pu calibration with excellent linearity. The proposed method achieved Pu recoveries between 96-98 % and low detection limits of 0.15 fg mL.
ACCESSION #
114436249

 

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