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Mass spectrometric comparison and evaulation of GC-MS and LC-MS analyses

The Compare tool recently developed for the mass spectra evaluation software package MassLib finds both qualitative and quantitative differences between two GC-MS or LC-MS analyses and presents the results graphically and in tabular form.



Comparison of NIRS techniques to determine caffeine content in tea

Near-infrared spectroscopy (NIRS) is an analytical tool that is used in many different fields, and many applications have already been described in the areas of agriculture, foodstuffs, cosmetics and pharmaceuticals. Here, Angela Schmidt, Brian P Davies, Dr Grit Schulzki, and Dr Andrea Giehl describe how NIRS used to monitor caffeine levels in tea.



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