FIELD: chemistry.
SUBSTANCE: atmosphere rich in a deuterating agent is generated by evaporating a drop of the deuterating agent on a metal substrate heated by contacting a heated inlet cone of a mass spectrometer, in an ion source. A solvent for the analysed sample is a deuterium-free solvent, or a deuterated solvent.
EFFECT: possibility to increase several times a depth of deuteron-hydrogen exchange of movable hydrogen atoms by deuterium with using the standard ion source of the mass spectrometer at atmospheric pressure.
3 cl, 5 dwg, 1 tbl
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