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EC number: 201-906-0 | CAS number: 89-41-8
The toxicity to bacteria was tested according to OECD guideline 209 in a respiration inhibition test using not adapted activated sludge from a domestic waste water treatment plant. 5 concentrations were tested (1000, 580, 320, 180 and 100 mg/L) for three hours.
As reference substance (positive control) copper(II)sulphate-heptahydrate was used.
The results were integrated in a graphic and the EC-values were taken from that.
EC20: 280 mg/L
EC50: 375 mg/L (228 mg/L<EC50<607 mg/L)
EC80: 500 mg/L
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