Author:
Cotrufo M. Francesca,Pressler Yamina
Abstract
Abstract
“Stable Isotopes, Notations, and Standards” reviews the foundational concepts necessary for understanding and reporting stable isotopes data using appropriate notation and reference standards. The chapter defines stable isotopes and describes the isotopic composition of carbon, nitrogen, oxygen, hydrogen, and sulfur. Isotopocules are described as molecules differing in their isotopic composition, known as isotopologues, or for having different isotopic substitution, known as isotopomers. Isotones and isobars are also defined. Stable isotope data are examined using delta, fractional, and atom percent notations. Formulae to convert isotope data across notations are described. The chapter examines the history and use of international reference standards for isotopic analysis.
Publisher
Oxford University PressOxford
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1 articles.
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