NEN EN ISO 7887 : 2012
Current
The latest, up-to-date edition.
12-01-2013
Cooperating organizations
National foreword
Foreword
Introduction
Methods
1. General
2. Visual examination
3. Determination of the true colour using optical
instruments
4. Visual method for the determination of the colour
in natural water
5. Statistical data and test report
Annex
A. (informative) Bibliography
Table
1. Standard deviation (within batch) at wavelength
400 nm for measurements using optical instruments
National annex
NA. (informative) Committees responsible
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