Isotope Ratio Analysis of Individual Plutonium and Uranium–Plutonium Mixed Oxide Particles by Thermal Ionization Mass Spectrometry with a Continuous Heating Method

2012 ◽  
Vol 41 (1) ◽  
pp. 90-91 ◽  
Author(s):  
Daisuke Suzuki ◽  
Yoko Saito-Kokubu ◽  
Chi-Gyu Lee ◽  
Fumitaka Esaka ◽  
Masaaki Magara ◽  
...  
2011 ◽  
Vol 2 (4) ◽  
pp. 80-83 ◽  
Author(s):  
Fumitaka Esaka ◽  
Masaaki Magara ◽  
Daisuke Suzuki ◽  
Yutaka Miyamoto ◽  
Chi-Gyu Lee ◽  
...  

2012 ◽  
Vol 518-523 ◽  
pp. 1669-1676 ◽  
Author(s):  
Xi Jun Liu ◽  
Shuai Liao

A method for getting high quality Pb isotope ratio analysis using207Pb-204Pb double spike method has been developed at Scripps Institution of Oceanography (SIO), which corrected the mass fractionation effects during small amount Pb loading isotopic analysis by thermal ionization mass spectrometry (TIMS), with the minimum amount of 8×10-9g Pb per load. The double spike method effectively improves in both precision and accuracy without recourse to excessively rigorous loading or run conditions. Over a period of fifteen months accuracy double spike tested for Pb standard SRM981 in SIO isotope laboratory, an external precision of ±0.0038、±0.0040、±0.0122 (2σ, n=53) was obtained for206Pb/204Pb,207Pb/204Pb and208Pb/204Pb rations, although the small amount Pb loading, which present a same excellent accuracy and external precision as other laboratories reported. Therefore, this method is superior to precise and accurate isotope analyses of low level Pb concentration geological and environmental samples, and will be a highly powerful tool in the future of earth sciences and environmental sciences.


2016 ◽  
Vol 8 (7) ◽  
pp. 1543-1548 ◽  
Author(s):  
Fumitaka Esaka ◽  
Daisuke Suzuki ◽  
Takumi Yomogida ◽  
Masaaki Magara

Automated particle screening was combined with isotope ratio analysis of individual uranium particles using thermal ionization mass spectrometry.


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