Orbitrap Mass Spectrometry System (Orbitrap Exploris 240)
High-resolution mass spectrometry using the Orbitrap Exploris 240 is a state-of-the-art analytical technique for the precise identification, quantification, and isotopic analysis of complex organic compounds. The Orbitrap mass analyser enables high-resolution, accurate-mass (HRAM) detection, providing detailed molecular fingerprints of target analytes. Samples are ionised via electrospray ionisation (ESI) or atmospheric pressure chemical ionisation (APCI), generating charged species that enter the mass analyser. The Orbitrap technology ensures ultra-high mass accuracy and low detection limits, making it ideal for the analysis of trace contaminants, environmental pollutants, and biomolecules.
Beyond conventional mass spectrometry, the Orbitrap Exploris 240 is also used for stable isotope analysis (CSIA) and intramolecular and position-specific stable isotope analysis (PSIA), enabling the detailed tracking of micropollutant sources and transformation pathways in environmental systems. This approach provides critical insights into biodegradation, photodegradation, and other transformation processes, supporting studies in environmental chemistry, forensic science, and biogeochemistry.
