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. measuring

Anotations

Scope note:

A technique for studying turbidity which records the decrease in intensity of a light beam resulting from its passage through a suspension of particles. A detector, the nephelometer, measures the scattered light and may thus indirectly measure the size and concentration of particles in the suspension.