Operando isotope selective ammonia quantification in nitrogen reduction studies via gas chromatography-mass spectrometry
Davide Ripepi (TU Delft - ChemE/Materials for Energy Conversion and Storage)
Riccardo Zaffaroni (TU Delft - ChemE/Materials for Energy Conversion and Storage)
Martin Kolen (TU Delft - ChemE/Materials for Energy Conversion and Storage)
J. Middelkoop (TU Delft - ChemE/O&O groep)
Fokko Mulder (TU Delft - ChemE/Materials for Energy Conversion and Storage)
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Abstract
Rapid advances in electrocatalytic ammonia synthesis are impeded by laborious detection methods commonly used in the field and by constant risk of external contaminations, which generates misleading false positives. We developed a facile real-time GC-MS method for sensitive isotope NH3 quantification, requiring no external sample manipulations. This method ensures high detection reliability paramount to accelerate (electro-)catalyst screening.
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