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EC number: 200-720-7
CAS number: 69-93-2
immobilisation was observed at the test concentration of 60.0 mg uric
acid/L as well as in the control (without uric acid) at 24 and 48 h.
Daphnids exposed to 60.0 mg uric acid/L and control (without uric acid)
did not exhibit any abnormal behavioural symptoms at 24 and 48 h.
EC50(24 and 48 h), NOEC and LOEC: Greater
than the test concentration of 60.0 mg uric acid/L.
Control immobilisation was 0% (not exceed 10%) at the termination, thus
the validity criterion was met.
Dissolved oxygen concentration was ≥ 8.10 mg/L in the control and test
vessels at the end of the test thus the validity criterion was met.
Daphnia in the control groups did not show immobilisation or other signs
or disease or stress e.g. discoloration or unusual behavior such as
trapping at the surface of water.
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