Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Processes and Techniques (hierarchy name)
4. [processes and techniques by specific type]
5. analysis and testing techniques
6. chemical analysis
7. trace element analysis
8. activation analysis
9. proton activation analysis

Anotations

Scope note:

Technique of elemental analysis funamentally similar to and most often practiced in conjunction with particle-induced x-ray emission (PIXE) with the difference that gamma rays are measured instead of x-rays.