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EC number: 215-222-5
CAS number: 1314-13-2
Key data (lowest EC50 values) are: -for Ceriodaphnia dubia: 0.413 mg Zn/l (single value) at low pH and low hardness-for Ceriodaphnia dubia: >0.53 mg Zn/l (single value) at low pH and high hardness-for Ceriodaphnia dubia: 0.147 mg Zn/l (geomean value) at neutral/high pH and low hardness-for Ceriodaphnia dubia: 0.228 mg Zn/l (geomean value) at neutral/high pH and high hardness
Many good quality and relevant data for 5 standard species. Tests were
done according to standard protocol or equivalent.
Data are grouped per species according to
-pH: low (6 -<7) - neutral/high (7 -8.5)
-and hardness: low/medium (<100mg CaCO3/l) and medium/high (>100 mg
Ceriodaphnia dubia is for all test conditions the most sensitive species.
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