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Table 3.

Registration parameters of NMR 1H and 2H spectra.

Parameter 1H 2H
The angle of the 90 90
excitation pulse
Acquisition time 3.5 sec 1.9 sec
Relaxation delay 17 sec 0.5 sec*
Spectrum width 15 ppm 25 ppm
Points number 32 K 4 K
Scans number 8 256
Exponential multiplication 0.2 Hz 2.0 Hz

Notice: Value for wine water (relaxation delay is 7 sec in case of measurement of the 2H content in CH3- and CH2- groups of ethanol molecules).

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