Main Content

The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Dicranophorus forcipatus

[ref. ID; 2381]

Test system

Acute toxicity test

Strains

Toxicants

Acetone, Acetophenone, Benzene, Cumene, Ethylbenzene, Mesityloxide, Phenol, Styrene, Alpha-methylstyrene, Toluene.

Test design/concentrations

Dishes (8 cm diameter) (raising solution: NaCl 0.1g, KCl 0.004g, CaCl2 0.006g on 1 liter of redestilled water + one kernel of raw rice), darkness. Temperature 22-23 degrees C. The concentrations were: for phenol 10, 20, 100, 200, 300 and 400 mg/l, while for the other compounds 0.02, 0.2 and 2% (v/v)

Measurements/observations

Numbers of animals.

Evaluation

LD50.