NAA allows discrete sampling of elements as it disregards the chemical form of a sample , and focuses solely on its nucleus .
Neutron activation analysis ( NAA ) is a nuclear process used for determining the concentrations of elements in a vast amount of materials .
NAA allows discrete sampling of elements as NAA disregards the chemical form of a sample , and focuses solely on NAA 's nucleus .
Neutron activation analysis ( NAA ) is a nuclear process used for determining the concentrations of elements in a vast amount of materials .