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BSI 22/30430275 DC 2022

BSI 22/30430275 DC 2022

$13.70

BS ISO 4979. Water quality. Aquatic toxicity test based on root re-growth in Lemna minor

Published By Publication Date Number of Pages
BSI 2022 25
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Principle
5 Test organisms
6 Growth medium
6.1 Preparation of stock solution
12 6.2 Storage and cultivation
7 Apparatus
14 8 Experimental methods
8.1 Preparation of medium
8.2 Preparation of toxicant solution and test dilutions
8.2.1 Test dilutions
8.2.2 Selection of test concentrations
8.3 Control
8.4 Transfer of test organisms
15 8.5 Culture
8.6 Method of measurements
9 Tests on effects
9.1 Reference chemicals
9.2 Statistics
16 9.3 Validity of test
9.4 Precision
10 Expression of results
10.1 Test results
10.2 Expression of results
11 Test report
18 Annex A (informative) Root excision and re-growth length measurement
20 Annex B (informative) Sensitivity of the Lemna root re-growth test
23 Annex C (informative) Interlaboratory precision of control values (mm) and EC50 (mg L-1) from the Lemna toxicity test
25 Bibliography

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BSI 22/30430275 DC 2022
$13.70