Pleuronema coronatum

[ref. ID; 4521]

Test system

Acute (2-hr & 12-hr) toxicity

Strains

Laboratory of Protozoology, Ocean University of Qingdao.

Toxicants

Formalin, Lugol's iodine solution, potassium permanganate.

Test design/concentrations

Temperature 20+/-2 degrees C. 3 replicates. Potassium permanganate concentration (0, 4, 8, 10, 20, 40, 60, 80 mg/l), formalin concentration (0, 30, 35, 40, 45, 50, 55, 60, 70, 80, 90, 100 mg/l), Lugol's iodine solution (0, 40, 50, 60, 70, 80, 90, 100, 110, 120 mg/l).

Measurements/observations

Moving condition, mortality rate.

Evaluations

LC50.