Multiple choice

Most of the turbidity meters work on the scattering principle. The turbidity value so obtained is expressed in

  1. CFU

  2. FTU

  3. JTU

  4. NTU

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Turbidity measured by nephelometers based on the light scattering principle is standardly expressed in Nephelometric Turbidity Units (NTU). JTU is based on the Jackson candle turbidimeter (absorption/extinction principle).