Utilization of Radiactive Isotpoes in Coal Process Research Page: 5
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SUHUPT
The Method of labeling orjMilc compounds with tritium by acid-catalyzed
tirhangr la being developed with «ncour*<ln< results.
Seven model compounds nave
been treated vl th the tritiating reagent
■r BF>.
Exchange labeling of hydrogen
attached to an aromatic ring occurs very rapidly at roan famperature.
Woo-aroma tl c
hydrogens have a Far smaller tendency to undergo exchange.
Appreciable exchange
rate* have been observed only with hydrogens attached to a tertiary carbon atom.
Many advantage* of thia new Method of labeling over the radiation In-
duced self-labellig Method have been demonstrated.
Experimental studies of radio-
chemical purity and trit lisa activity in the tracers show these advantages.
First,
it produces no highly tagged side products, thus obviating extensive purification
as required In the radiation induced method.
Second, It is more rapid and less
involved to carry out.
Third,
It Is less hazardous from a radiological health
standpoint.
High specific activity tracers can be produced when desires.
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Yavorsky, P. M. & Gorin, E. Utilization of Radiactive Isotpoes in Coal Process Research, report, May 1, 1961; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc1463152/m1/4/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.