nephelometer- Turbidity measuring equipment. Turbidity is the cloudiness or haziness of a fluid caused by individual particles (suspended solids) that are generally invisible to the naked eye,similar to smoke in air. The measurement of turbidity is a key test of water quality. Using a nephelometer that measures the light scattered by the particles and called Nephelometric Turbidity Units (NTU) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Photostock-Israel |
Taille de l’image : | 3419 px × 5147 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |