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EC number: -
CAS number: -
This study was carried out in order to evaluate the acute toxicity of
MEAHA-Fe to Daphnia magna.
A range-finding test was carried out to determine the concentrations
that caused 100% and 0% of acute toxic effect. According to the results
obtained in the range-finding test, a definitive test was carried out
with only the maximum concentration of 100 mg.L-1. A control was also
added. Twenty organisms were used per concentration and control
distributed into four replicates. The definitive test was conducted in a
controlled environment with temperature ranging from 20.1 to 20.2°C for
48 hours with photoperiod of 16 hours light and 8 hours of dark. The
48-hours EC50 value was not determined because the highest tested
concentration of MEAHA-Fe, 100 mg.L-1, did not cause immobility to the
test organisms. Therefore the EC50 value of the tested substance is
higher than 100 mg.L-1. The statistical method used was Trimmed
The 48-hours EC50 value was not determined because the highest tested
concentration of MEAHA-Fe, 100 mg/L, did not cause immobility to the
test organisms. Therefore the 48-hours EC50 value of the tested
substance is higher than 100 mg/L.
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