<i>Operando</i> isotope selective ammonia quantification in nitrogen reduction studies <i>via</i> gas chromatography-mass spectrometry
Davide Ripepi, Riccardo Zaffaroni, Martin Kolen, Joost Middelkoop, Fokko M. Mulder
Abstract
Direct, fast and sensitive isotopic ammonia detection is key to accessing reliable NRR experiments and accelerate catalyst screening. We develop a GC-MS method to detect NH 3 down to 1 ppm in the gas phase, in real-time and without external manipulation.
Topics & Concepts
Mass spectrometryChemistryGas chromatographyChromatographyFalse positive paradoxAmmoniaAnalytical Chemistry (journal)Computer scienceOrganic chemistryMachine learningAmmonia Synthesis and Nitrogen ReductionCaching and Content DeliveryEnvironmental DNA in Biodiversity Studies