Sökning: onr:"swepub:oai:DiVA.org:nrm-2647" >
Direct Pb Isotopic ...
Direct Pb Isotopic Analysis of a Nuclear Fallout Debris Particle from the Trinity Nuclear Test
-
- Bellucci, Jeremy (författare)
- Naturhistoriska riksmuseet,Enheten för geovetenskap
-
- Joshua, Snape (författare)
- Naturhistoriska riksmuseet,Enheten för geovetenskap
-
- Whitehouse, Martin (författare)
- Naturhistoriska riksmuseet,Enheten för geovetenskap
-
visa fler...
-
Nemchin, Alexander (författare)
-
visa färre...
-
(creator_code:org_t)
- 2017-01-09
- 2017
- Engelska.
-
Ingår i: Analytical Chemistry. - : American Chemical Society (ACS). - 0003-2700 .- 1520-6882. ; 89, s. 1887-1891
- Relaterad länk:
-
https://nrm.diva-por... (primary) (Raw object)
-
visa fler...
-
http://nrm.diva-port...
-
https://urn.kb.se/re...
-
https://doi.org/10.1...
-
visa färre...
Abstract
Ämnesord
Stäng
- The Pb isotope composition of a nuclear fallout debris particle has been directly measured in post-detonation materials produced during the Trinity nuclear test by a secondary ion mass spectrometry (SIMS) scanning ion image technique (SII). This technique permits the visual assessment of the spatial distribution of Pb and can be used to obtain full Pb isotope compositions in user-defined regions in a 70 μm × 70 μm analytical window. In conjunction with backscattered electron (BSE) and energy-dispersive spectroscopy (EDS) mapping of the same particle, the Pb measured in this fallout particle cannot be from a major phase in the precursor arkosic sand. Similarly, the Pb isotope composition of the particle is resolvable from the surrounding glass at the 2σ uncertainty level (where σ represents the standard deviation). The Pb isotope composition measured in the particle here is in excellent agreement with that inferred from measurements of green and red trinitite, suggesting that these types of particles are responsible for the Pb isotope compositions measured in both trinitite glasses.
Ämnesord
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
Nyckelord
- The changing Earth
- Den föränderliga jorden
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
Till lärosätets databas