intrinsic tracer

intrinsic tracer

[in′trin·sik ′trā·sər]
(nuclear physics)
An isotope that is present naturally in a form suitable for tracing a given element through chemical and physical processes.
References in periodicals archive ?
[33] conducted an RTD study in a pilot and an industrialised fluid catalytic cracking unit (FCCU) using an intrinsic tracer. The identified tracers were lanthanum-140 and sodium-24 and were obtained from the catalyst sample.