Požadavky na vzorky (organická chemie)


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Solubility in one of the solvents suitable for NMR spectroscopy http://www.chem.wisc.edu/areas/reich/handouts/nmr/nmr-solvents.htm Preferably D2O, CDCl3, DMSO-d6, benzene-d6, methanol-d4, acetone-d6, N,N-dimethyl formamide-d7 and Dichloromethane-d7. Approximate minimal concentrations of samples are 0.1 mM for 1H spectra and 10 mM for 13C spectra (corresponding 0.015 mg and 1.5 mg respectively, based on molecular weight 300 and sample volume 0.5 ml).