BS 6068-5.39(2005) : 2005
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
23-11-2012
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 |
EH/3/5
|
| DevelopmentNote |
Supersedes 03/315968 DC. (01/2006) Also numbered as BS EN ISO 20079. (03/2007)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN ISO 20079:2006 | Identical |
| ISO 20079:2005 | Identical |
| 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 |
| 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 |