The presence of carbon and nitrogen are natural building blocks for many compounds. The technology continued to advance in the early 1900s, providing higher accuracy and additional element ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. Neutron-capture prompt-gamma activation analysis (PGAA) ...

As electrons from higher energy levels fill these vacancies, they release X-rays. The energy of these X-rays is characteristic of the atomic structure of the element from which they are emitted, thus ...