Simple changes improve sample throughput for determination of low concentration uranium isotope ratios in small volumes of urine

2006 ◽  
Vol 21 (3) ◽  
pp. 360 ◽  
Author(s):  
R. Steven Pappas ◽  
Dan C. Paschal
Keyword(s):  
Isotope Ratios ◽  
Uranium Isotope ◽  
Low Concentration ◽  
Sample Throughput

Determination of total uranium and uranium isotope ratios in human urine by ICP-MS:results of an interlaboratory study

2015 ◽  
Vol 30 (1) ◽  
pp. 126-138 ◽  
Author(s):  
John G. Arnason ◽  
Christine N. Pellegri ◽  
Patrick J. Parsons
Keyword(s):  
Reference Materials ◽  
Human Urine ◽  
Isotope Ratios ◽  
Uranium Isotope ◽  
Interlaboratory Study

Interlaboratory performance is reported for nine participants analyzing six well-characterized urine reference materials supplemented with 234U, 235U, 236U, and 238U.

Uranium isotope analysis by MC-ICP-MS in sub-ng sized samples

2016 ◽  
Vol 31 (11) ◽  
pp. 2272-2284 ◽  
Author(s):  
Sergei F. Boulyga ◽  
Andreas Koepf ◽  
Stefanie Konegger-Kappel ◽  
Zsuzsanna Macsik ◽  
Guillaume Stadelmann
Keyword(s):  
Mass Spectrometry ◽  
Inductively Coupled Plasma ◽  
Isotope Analysis ◽  
Isotope Ratios ◽  
Uranium Isotope ◽  
Inductively Coupled ◽  
Icp Ms ◽  
Plasma Mass Spectrometry

This study describes the multi-collector inductively coupled plasma mass spectrometry (MC-ICP-MS) method for the determination of n(233U)/n(238U), n(234U)/n(238U), n(235U)/n(238U), and n(236U)/n(238U) isotope ratios in purified uranium solutions.

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