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Direct gas injection method: A simple modification to an elemental analyzer/isotope ratio mass spectrometer for stable isotope analysis of N and C from N2O and CO2 gases in nanomolar concentrations |
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| Authors: | Madhav V. Machavaram Jake J. Beaulieu Marc A. Mills |
| Affiliation: | 1. Pegasus Technical Services Inc., on‐site contractor to United States Environmental Protection Agency, , Cincinnati, OH 45268 USA;2. United States Environmental Protection Agency (USEPA), National Risk Management Research Laboratory, , Cincinnati, OH 45268 USA |
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