UNE-EN ISO 20079:2007
Current
The latest, up-to-date edition.
Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079:2005)
Hardcopy , PDF
Spanish, Castilian, English
16-05-2007
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Interferences
6 Apparatus
7 Reagents
8 Test organisms
9 Stock cultures and pre-cultures
10 Procedure
11 Validity criteria
12 Expression of results
13 Estimation of EC(r)[x] values for frond number and the
second observation parameter
14 Documentation of results
15 Precision
16 Test report
Annex A (informative) Preparation of the nutrient media
Annex B (informative) Measurement of the lowest ineffective
dilution (LID) of a waste water - A
simplified evaluation for testing of
waste water
Annex C (informative) Suppliers of Lemna species
Bibliography
Provides a method for the determination of the growth-inhibiting response of duckweed (Lemna minor) to substances and mixtures contained in water, treated municipal wastewater and industrial effluents.
| Committee |
CTN 77/SC 1
|
| DocumentType |
Standard
|
| Pages |
32
|
| PublisherName |
Asociacion Espanola de Normalizacion
|
| Status |
Current
|
| Standards | Relationship |
| NF EN ISO 20079 : 2006 | Identical |
| ISO 20079:2005 | Identical |
| NBN EN ISO 20079 : 2006 | Identical |
| NEN EN ISO 20079 : 2006 | Identical |
| NS EN ISO 20079 : 1ED 2007 | Identical |
| I.S. EN ISO 20079:2006 | Identical |
| SN EN ISO 20079 : 2006 | Identical |
| UNI EN ISO 20079 : 2006 | Identical |
| BS EN ISO 20079:2006 | Identical |
| EN ISO 20079:2006 | Identical |
| DIN EN ISO 20079:2006-12 | Identical |
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