The Determination of the Ratio of Two Kinds of Hydrogen in Metal Hydrides by Means of Pulsed NMR

Abstract
A method is proposed by which the composition of the two kinds of hydrogen with different diffusional behavior in metal hydrides can be determined accurately by means of 1H NMR; using the method, it is found that the energy difference between the two sites occupied by the two kinds of hydrogen is 7.9 kJ/mol in VH0.77.