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Diss Factsheets

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Adequacy of study:
other information

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: 92/32/EWG, C.3
GLP compliance:
yes

Test solutions

Details on test solutions:
Identity and concentration of auxiliary solvent for dispersal: Es wurde kein Lösungsvermittler eingesetzt. Die Stammlösung
wurde mittels Magnetrührer über 2 Stunden homogenisiert.

"ENGLISH"

No solubilizer was used. The stock solution was homogenized
using magnetic stirrers for 2 hours.

Test organisms

Test organisms (species):
other: Desmodesmus subspicatus (Algen)

Study design

Limit test:
no
Total exposure duration:
72 h

Results and discussion

Effect concentrationsopen allclose all
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
46 mg/L
Basis for effect:
biomass
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
63 mg/L
Basis for effect:
growth rate
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
25 mg/L
Basis for effect:
growth rate
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
25 mg/L
Basis for effect:
biomass

Applicant's summary and conclusion