Rapid, sensitive analysis method for determining the nitrogen stable isotope ratio of total free amino acids in soil.
Hongzhao YuanZhen HeXiangbi ChenTida GeLiping ZhangJiurong WangPublished in: Rapid communications in mass spectrometry : RCM (2022)
groups of an amino acid, and the oxidation of the side chain is difficult. In addition, the method is sensitive, rapid, and convenient, and does not require toxic reagents.