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16 Δεκ 2021 · As seen in the 1 H NMR spectrum of methyl acetate (Fig. 6.6a), the x-axis units of NMR spectrum are in ppm (not in Hz as we would expect for frequency), and the two signals stand at different position along the x-axis. Let’s explain how that works and what information can be obtained.
Simulate and predict NMR spectra directly from your webbrowser using standard HTML5. You can also simulate 13C, 1H as well as 2D spectra like COSY, HSQC, HMBC. Second order effect like AB, ABX, AA'XX' can be simulated as well.
nmrshiftdb2 is a NMR database (web database) for organic structures and their nuclear magnetic resonance (nmr) spectra. It allows for spectrum prediction ( 13 C, 1 H and other nuclei) as well as for searching spectra, structures and other properties.
Numclear magnetic resonance (NMR) is particularly useful in the identification of the positions of hydrogen atoms (1H) in molecules. This is an invaluable technique in the identification of organic compounds and commonly used in analytical laboratories.
A software to visualize, analyze and process 1D and 2D NMR spectra directly from the browser that you can test for free. Designed for analytical and organic chemists as well as for teaching.
20 Δεκ 2023 · CONCLUSION: MetaboMiner is a freely available, easy-to-use, NMR-based metabolomics tool that facilitates automatic peak processing, rapid compound identification, and facile spectrum annotation from either 2D TOCSY or HSQC spectra.
