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UNI EN ISO 20079 : 2006

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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
Published date

12-14-2006

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.

DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Current

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