WATER QUALITY - DETERMINATION OF THE TOXIC EFFECT OF WATER CONSTITUENTS AND WASTE WATER ON DUCKWEED (LEMNA MINOR) - DUCKWEED GROWTH INHIBITION TEST

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2006

Publisher

German Institute for Standardisation (Deutsches Institut für Normung)

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
National Annex NA (informative) 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
Pages	31
PublisherName	German Institute for Standardisation (Deutsches Institut für Normung)
Status	Current

Standards	Relationship
EN ISO 20079:2006	Identical
NS EN ISO 20079 : 1ED 2007	Identical
NBN EN ISO 20079 : 2006	Identical
NEN EN ISO 20079 : 2006	Identical
SN EN ISO 20079 : 2006	Identical
UNI EN ISO 20079 : 2006	Identical
ISO 20079:2005	Identical
BS EN ISO 20079:2006	Identical
I.S. EN ISO 20079:2006	Identical
NF EN ISO 20079 : 2006	Identical
UNE-EN ISO 20079:2007	Identical

DIN EN ISO 20227 E : 2017	WATER QUALITY - DETERMINATION OF THE GROWTH INHIBITION EFFECTS OF WASTE WATERS, NATURAL WATERS AND CHEMICALS ON THE DUCKWEED SPIRODELA POLYRHIZA - METHOD USING A STOCK CULTURE INDEPENDENT MICROBIOTEST (ISO 20227:2017)
DIN EN ISO 10710 E : 2013	WATER QUALITY - GROWTH INHIBITION TEST WITH THE MARINE AND BRACKISH WATER MACROALGA CERAMIUM TENUICORNE (ISO 10710:2010)

ISO/IEC 17025:2005	General requirements for the competence of testing and calibration laboratories
NFT 90 337 : 96 XP	TESTING WATER - DETERMINATION OF THE INHIBITORY EFFECT ON THE GROWTH OF LEMNA MINOR
DIN EN ISO 5667-16 E : 1999	WATER QUALITY - SAMPLING - PART 16: GUIDANCE ON BIOTESTING OF SAMPLES
ISO/TS 20281:2006	Water quality — Guidance on statistical interpretation of ecotoxicity data
ISO 5667-16:2017	Water quality — Sampling — Part 16: Guidance on biotesting of samples
ISO 10260:1992	Water quality — Measurement of biochemical parameters — Spectrometric determination of the chlorophyll-a concentration

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DIN EN ISO 20079 E : 2006

Current

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referenced By This Book

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