13C NMRCarbon-13 Nuclear Magnetic Resonance
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Elemental analysis thermal analyses conductivity cyclic voltammetry IR 1H NMR 13C NMR UV-Vis and fluorescence spectroscopy have been used to assess relevant interactions of flavonoids and metal ions the chelation sites the dependence of complex structure on the metal/ligand ratio the capability of flavonoids in binding metal ions etc [14].
The technique of 13C NMR with Cross-Polarization and Magic-Angle Spinning (CPMAS NMR) is ideal for solids, and solution 13C NMR is used for extracts such as tannins from plant material and humic fractions from mineral soil.
International cooperation between European EPDM producers, represented by the IISPR's European section technical/operating committee, and North American EPDM producers, represented by ASTM, used 13C NMR to determine more accurately the ethylene contents of the calibrants, according to Dr.
Alcohol dehydrogenase controls the flux from ethanol into lipids in Drosophila larvae: a 13C NMR study.
The 13C NMR chemical shifts of thioamide with Pd(II) tris-4-chlorophenyl phosphine complexes are given in the experimental section.
1H NMR spectra were recorded using a Bruker AMX-400 (400 MHz) and Varian VXR-500S (500 MHz) instruments and the 13C NMR spectrum of friedelin (1) was obtained on Bruker AMX-400 at 100 MHz.
We have prepared the cinnamyl acetate and confirmed the structure with 1H and 13C NMR spectroscopy.