NEN EN ISO 7027 : 2000
Current
The latest, up-to-date edition.
WATER QUALITY - DETERMINATION OF TURBIDITY
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Sampling and samples
5 Semiquantitative methods of turbidity measurement
5.1 Measurement using the transparency testing
tube
5.2 Measurement using the transparency testing
disk
6 Quantitative methods of turbidity measurement
using optical turbidimeters
6.1 General principles
6.2 Reagents
6.3 Measurement of diffuse radiation
6.4 Measurement of attenuated radiation
Annex A (informative) Results of an interlaboratory
collaborative trial to evaluate the suitability
of a synthetic polymer for use as a secondary
standard to formazine in turbidity measurements
Bibliography
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