Lab glossary
NTU (nephelometric turbidity unit)
The unit of turbidity measured by light scattered at 90°, based on formazin standards. FNU is the equivalent unit for 860 nm instruments under ISO 7027.
- Also: FNU
- Also: formazin nephelometric unit
The unit of turbidity measured by light scattered at 90°, based on formazin standards. FNU is the equivalent unit for 860 nm instruments under ISO 7027.