Concept
Formazin Nephelometric Units
| URI | http://vocab.nerc.ac.uk/collection/P06/current/UFNU/ |
|---|---|
| Within Vocab | BODC-approved data storage units |
| Preferred Label | Formazin Nephelometric Units |
| Definition | Standardised scale for nephelometric measurement of turbidity calibrated against formazine solutions of different concentration and measured using an 860 nm light (near IR) with a 90 degree detection angle (ISO7027 compliant). |
| Related |
P01:
Turbidity of water in the water body by nephelometry using an infrared light source and laboratory calibration against formazin P09: TURBIDITY |
| Note | accepted |
| Deprecated | false |
| Alternative Label | FNU |
| Version | 1 |
| Has Current Version | http://vocab.nerc.ac.uk/collection/P06/current/UFNU/1/ |
| Authored On | 2018-04-13 15:17:24 |
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