Title: Evaluation of mass spectrometry and radiation detection for the analysis of radionuclides.
Authors: Gonzales, E.R.; Garcia, S.R.; Mahan, C.; Wei Hang
Abstract: The feasibility of measuring picogram levels of actinides in a urine matrix using ion chromatography coupled on-line to an inductively coupled plasma quadrupole mass spectrometer (IC-Q-ICPMS) was investigated. A chelation column for separation of matrix ions and preconcentration of the actinides was combined with a cation-exchange column for separation of the actinides. Sample preparation required simple addition of ammonium acetate to adjust the pH of the urine matrix. Spike solutions containing232Th,237Np,238U,239Pu, and241Am were added to undiluted urine, diluted urine (1 : 9) and water. Results showed that this approach enhanced the signal sensitivities of all the tested actinides over two orders of magnitude in the water matrix, while certain elements (especially Am) can still be effectively concentrated in undiluted urine.
Subjects: RADIOISOTOPES; CHROMATOGRAPHIC analysis; MASS spectrometers; RADIATION; DETECTORS; URINE
Publication: Journal of Radioanalytical & Nuclear Chemistry, 2005, Vol 263, Issue 2, p457
ISSN: 0236-5731
Publication type: Academic Journal
DOI: 10.1007/s10967-005-0076-3

Evaluation of mass spectrometry and radiation detection for the analysis of radionuclides.

Gonzales, E.R.; Garcia, S.R.; Mahan, C.; Wei Hang