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400 MHz Nuclear Magnetic Resonance Spectrometer


Make: Varian

Model: Mercury Plus


Working Principle:  NMR spectrometer consists basically of a magnet, RF (radio-frequency) transmitter or oscillator, and a suitable RF detector. When a sample of a material comprised of atoms having nuclei with certain magnetic properties is placed in the magnet pole gap and subjected to the radio-frequency field of the oscillator, absorption of radio-frequency energy(reso- nance) occurs at particular combinations of the oscillator frequency and the magnetic field strength and an radio-frequency signal is picked up by the detector.Fourier analysis of the complex output produces the actual spectrum.The pulse is repeated as many times as necessary to allow the signals to be identified from the background noise.

Application :        1.Structure elucidation
                              2.Chemical composition determination
                              3.Formulations investigation
                              4.Raw materials fingerprinting
                              5.Mixture analysis
                              6.Sample purity determination
                              7.Quality assurance and control
                              8.Quantitative analysis
                              9.Compound identification and confirmation
                            10.Analysis of inter- and intramolecular exchange processes
                            11.Molecular characterisation
                            12.Reaction kinetics examination
                            13.Reaction mechanism investigation

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