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Virtual Chemistry Experiments
||Nuclear spin and Larmor precession are defined and explained.
||Larmor precession is illustrated.
||The Larmor frequency and measurement of the precession of the bulk magnetization are explained.
||Precession of the bulk magnetization is illustrated, and the Larmor frequency is measured.
|The Rotating Frame
||Trigonometric functions are used to compare the real and rotating frames of reference.
||The chemical shift is determined from measurements in the rotating frame.
||The relaxation of the bulk magnetization to its equilibrium value is described.
||The dependence of the free induction decay on precession frequency, T1, and T2 are
||The use of radiofrequency pulses to manipulate the bulk magnetization is described.
||The simulation steps through the steps in the basic NMR experiment.
|The NMR Spectrum
||The conversion of the FID to a spectrum is described.
||The NMR spectrum for a multicomponent sample is measured.
|Phasing the NMR Spectrum
||The phasing step in processing an NMR spectrum is explained.
||The origin of the phase angle is examined and an NMR spectrum is phased.
|Inversion Recovery Experiment
||The inversion recovery experiment is illustrated.
||The inversion recovery experiment is used to determine T1.
|Spin Echo Experiment
||The spin echo experiment is illustrated.
||The spin echo experiment is used to determine T2.
© Copyright 2013, David N. Blauch
Last updated Wednesday April 23 2014