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sklademVydáno: 2009-01-31
BS ISO 20665:2008
Water quality. Determination of chronic toxicity to Ceriodaphnia dubia
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| Označení normy: | BS ISO 20665:2008 |
| Počet stran: | 32 |
| Vydáno: | 2009-01-31 |
| ISBN: | 978 0 580 53208 5 |
| Status: | Standard |
Popis
BS ISO 20665:2008
This standard BS ISO 20665:2008 Water quality. Determination of chronic toxicity to Ceriodaphnia dubia is classified in these ICS categories:
- 13.060.70 Examination of biological properties of water
This International Standard specifies a method for the determination of the chronic toxicity to Ceriodaphnia dubia (Cladocera, Crustacea), based on reproduction inhibition after (7 ± 1) d.
The method is applicable to:
chemical substances which are soluble or which can be maintained as stable suspensions or dispersions under the conditions of the test;
industrial or sewage effluents, if appropriate after decantation, filtration or centrifugation;
fresh waters;
aqueous extracts.
This International Standard is not applicable to the testing of aquatic samples from the estuarine or marine environment.