I.S. EN ISO 7887:2011
Current
The latest, up-to-date edition.
WATER QUALITY - EXAMINATION AND DETERMINATION OF COLOUR (ISO 7887:2011)
Hardcopy , PDF
English
01-01-2011
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Method A: Visual examination
5 Method B: Determination of the true colour using optical
instruments
6 Method C: Determination of true colour using optical
instruments for determination of absorbance at
wavelength lambda = 410 nm
7 Method D: Visual method for the determination of the
colour in natural water
8 Test report
Annex A (informative) - Quality control
Annex B (informative) - Precision data
Bibliography
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