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On the Accurate Understanding of Mass Measurement Accuracy in Q-TOF MS

High-resolution, accurate-mass (HRAM) mass spectrometers (MS) are a class of MS instrumentation with capability to resolve complex sample matrix and to allow identification of compounds by measuring their accurate masses. HRAM have been used extensively for structural elucidation of unknown compounds primarily in chemical industry (impurity analysis) and biological researches (proteomics, metabolomics, lipidomics), but also increasingly in forensic science, food safety and environmental testing.

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