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  • 1 Amersham International Limited HP7 9LL Amersham Bucks England
  • 2 University of Surrey Chemistry Department GU2 5XH Guildford England
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The development of tritium nuclear magnetic resonance spectroscopy now makes it possible to determine the tritium distribution in virtually any organic compound at the millicurie level of radioactivity. Results of catalytic experiments show that in some cases a remarkable degree of specificity can be achieved when using procedures that are expected to produce generally labelled compounds. Conversely there are instances where specific labelling procedures are less than 100% successful.