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David Ulfbeck

Explore the profile of David Ulfbeck including associated specialties, affiliations and a list of published articles. Areas
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Recent Articles
1.
Trinquier A, Elliott T, Ulfbeck D, Coath C, Krot A, Bizzarro M
Science . 2009 Apr; 324(5925):374-6. PMID: 19372428
Stable-isotope variations exist among inner solar system solids, planets, and asteroids, but their importance is not understood. We report correlated, mass-independent variations of titanium-46 and titanium-50 in bulk analyses of...
2.
Ulfbeck D, Baker J, Waight T, Krogstad E
Talanta . 2008 Oct; 59(2):365-73. PMID: 18968919
A new method for rapid sample digestion and efficient chemical separation of Hf and REE from rock samples for precise isotopic analysis is presented. Samples are digested by fusion in...
3.
Bizzarro M, Ulfbeck D, Trinquier A, Thrane K, Connelly J, Meyer B
Science . 2007 May; 316(5828):1178-81. PMID: 17525336
High-precision 60Fe-60Ni isotope data show that most meteorites originating from differentiated planetesimals that accreted within 1 million years of the solar system's formation have 60Ni/58Ni ratios that are approximately 25...
4.
Bizzarro M, Baker J, Haack H, Ulfbeck D, Rosing M
Nature . 2003 Feb; 421(6926):931-3. PMID: 12606997
The 176Lu to 176Hf decay series has been widely used to understand the nature of Earth's early crust-mantle system. The interpretation, however, of Lu-Hf isotope data requires accurate knowledge of...