Number of the records: 1
technécium
Record number d013667 Date 06.06.2025 Type M - MESH Topical term technécium Other term English (Pseudonym) Technetium 99m
See also (Skutočné meno) zlúčeniny organotechnéciové
UDC D01.268.271.870D01.268.556.843D01.268.956.875D01.496.749.305.870D01.552.544.843 Note The first artificially produced element and a radioactive fission product of URANIUM. Technetium has the atomic symbol Tc, and atomic number 43. All technetium isotopes are radioactive. Technetium 99m (m=metastable) which is the decay product of Molybdenum 99, has a half-life of about 6 hours and is used diagnostically as a radioactive imaging agent. Technetium 99 which is a decay product of technetium 99m, has a half-life of 210,000 years. subject heading
Number of the records: 1