NEN EN ISO 7027-1 : 2016
Current
The latest, up-to-date edition.
WATER QUALITY - DETERMINATION OF TURBIDITY - PART 1: QUANTITATIVE METHODS
18-07-2016
Defines two quantitative methods using optical turbidimeters or nephelometers for the determination of turbidity of water: a) nephelometry, procedure for measurement of diffuse radiation, applicable to water of low turbidity (for example drinking water); b) turbidimetry, procedure for measurement of the attenuation of a radiant flux, more applicable to highly turbid waters (for example waste waters or other cloudy waters).
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