Why is tritium illegal?
Why is tritium illegal? Tritium does not in itself emit light but excites phosphors, thereby generating light. Due to U.S. regulations regarding radioactive substances, all of the above items can be legally sold in the U.S., as the manufacturers of such products require special licensing in order to integrate tritium into their products. What isotope is used in medical tracers? Tc Technetium. Tc is a very versatile radioisotope, and is the most commonly used radioisotope tracer in medicine. It is easy to produce in a technetium-99m generator, by decay of 99Mo. The molybdenum isotope has a half-life of approximately 66...