SN EN ISO 20079 : 2006
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
12-01-2013
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 |
Swiss Standards
|
Status |
Current
|
Standards | Relationship |
ISO 20079:2005 | Identical |
EN ISO 20079:2006 | Identical |
DIN EN ISO 20079:2006-12 | Identical |
UNI EN ISO 20079 : 2006 | Identical |
BS EN ISO 20079:2006 | Identical |
UNE-EN ISO 20079:2007 | Identical |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.