Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079:2005)

Available format(s)

Hardcopy , PDF

Language(s)

Spanish, Castilian, English

Published date

16-05-2007

Publisher

Asociacion Espanola de Normalizacion

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 E : 2006	Identical
DIN EN ISO 20079:2006-12	Identical