Anal. Chem. 2001, 73, 4145-4153 A Bacterial Method for the Nitrogen IsotopicAnalysis of Nitrate in Seawater and Freshwater
D. M. Sigman,*,† K. L. Casciotti,† M. Andreani,‡ C. Barford,§ M. Galanter,† and J. K. Bo1hlke^
Department of Geosciences, Guyot Hall, Princeton University, Princeton, New Jersey, 08544, Magiste`re de Sciences de la
Terre, EÄ cole Normale Supe´rieure de Lyon, 46 Alle´e d'Italie, Lyon, France 69364, Department of Earth and Atmospheric
Sciences, Harvard University, Cambridge, MA 02138, and U.S. Geological Survey, 431 National Center, Reston, VA 20192
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