A new approach coupling ion-exchange chromatography purification and off-line conversion of individual amino acids to N2O for robust δ15N analysis

Lin Zhang, Texas A&M University Corpus Christi, Corpus Christi, TX, United States, Wingman Lee, Texas A&M University-Corpus Christi, Corpus Christi, United States, Chongxiao Ji, Texas A&M University Corpus Christi, Corpus Christi, United States, Rupsa Roy, University of Massachusetts Dartmouth, New Bedford, MA, United States and Mark A Altabet, Univ Massachusetts Darmouth, New Bedford, MA, United States