Abstract

17O and 2H Fourier transform NMR studies have been made in water with varying contents of hydrogen isotopes. Chemical shifts of 17O as a function of 2H contents and as a function of the hydrogen ion concentration are given. The ratios of the Larmor frequencies of 17O and 2H in water are used for evaluation of a magnetic moment of 17O in water. The deuterium isotope effect on the 17O NMR line in water is (3.08 ±0.20) ppm to lower frequency for deuterium oxide. No 17O shift was found in deuterium oxide with high 18O enrichment

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