Sensitive determinations of stable nitrogen isotopic composition of organic nitrogen through chemical conversion into N 2 O

• Published in: Rapid communications in mass spectrometry Vol. 22; no. 3; pp. 345 - 354
• Main Authors: Tsunogai, Urumu, Kido, Tadasuke, Hirota, Akinari, Ohkubo, Satoru B., Komatsu, Daisuke D., Nakagawa, Fumiko
• Format: Journal Article
• Language: English
• Published: 15.02.2008

Abstract We present a method for high‐sensitivity nitrogen isotopic analysis of particulate organic nitrogen (PON) in seawater and freshwater, for the purpose of determining the aquatic nitrogen fixation rate through the 15 N 2 tracer technique for samples that contain a low abundance of organisms....