neutron activation analysis

Neutron activation analysis (NAA) is a sensitive analytical technique used to determine the composition of materials. It involves bombarding a sample with neutrons, which causes the atomic nuclei in the sample to become radioactive. Each element emits characteristic gamma rays when it decays, allowing scientists to identify and quantify the elements present. NAA is widely used in fields like archaeology, geology, and forensic science for its precision and ability to analyze very small samples without altering them. It helps in understanding material composition and tracing elements back to their sources.