Peter B. Armentrout

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Peter B. Armentrout
Born (1953-03-13) March 13, 1953 (age 64)
Residence United States
Nationality United States
Fields Chemist
Institutions University of Utah, Bell Labs
Alma mater Case Western Reserve University
California Institute of Technology
Doctoral advisor Jesse L. Beauchamp
Known for Mass Spectrometry

Peter B. Armentrout is a researcher in thermochemistry, kinetics, and dynamics of simple and complex chemical reactions. He is a Chemistry Professor at the University of Utah.


Armentrout received his B.S. degree from Case Western Reserve University in 1975 and earned his Ph.D. from the California Institute of Technology in 1980. During these studies he determined that much of the published information on thermodynamic states was not reliable, or was presented in differing formats. When he became a research professor he used this frustration as motivation to invent and construct the guided ion-beam tandem mass spectrometer, which provided highly accurate thermodynamic measurements. With this instrument in hand, he went on to invent or improve tools to analyze those measurements, including advanced computer algorithms. He has published much data on the properties of transition metals, and has worked most recently on the thermodynamic properties of biological systems.[1]



  1. ^ Chemical & Engineering News, 19 January 2009, "2009 ACS National Award Winners", pp. 72-73
  2. ^ Bierbaum, Veronica M. (2002). "Focus on ion thermochemistry in honor of Peter B. Armentrout, recipient of the 2001 Biemann Medal". Journal of the American Society for Mass Spectrometry. 13 (5): 417–418. doi:10.1016/S1044-0305(02)00377-X.