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T1 Measurement using Inversion-Recovery

The inversion-recovery experiment allows to measure longitudinal or spin-lattice T1 relaxation times of any nucleus.
Easy implementation on AVANCE spectrometers.
The basic pulse sequence of the inversion-recovery experiment consists of the following steps: This procedure can be used to measure T1 relaxation times of any nucleus. For instance, in the case of 13C, all pulses and acquisition are applied on 13C channel while broadband proton decoupling is applied during all sequence. A complete revision work about methods to measure T1 relaxation times has been appeared in 99CONC243
The Inversion-recovery experiment can be acquired, processed and plotted in a fully automated way. Minor changes from a predefined parameter set are required. Important parameters to consider are:

For further details on practical implementation of the inversion-recovery experiment on AVANCE spectrometers see:

The inversion-recovery experiment affords conventional 1D spectra. The signal intensities will shown a dependence with the interpulse t delay value:
Related selective inversion-recovery experiments are efficient methods of measuring proton spin-lattice cross-relaxation rates in crowded regions ( 92MRC173 , 92JACS5412 , 93JB335 )