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EC number: 258-054-8
CAS number: 52628-25-8
Ammonium:The LC50 (14d) for ammonium was determined to be 163 mg NH4 / kg dw soil.Zinc 37 NOEC or EC10 values on soil macroorganisms are available covering 6 different worm species and vary from 35.7 mg Zn/kg for Enchytraeus albidus to 1634 mg Zn/kg dw for Lumbricus terrestris So the toxicity of zinc is higher than form ammonium.
37 NOEC or EC10 values cover 6 different worm species and vary
from 35.7 mg Zn/kg for Enchytraeus albidus (Lock and Janssen,
2001c) to 1634 mg Zn/kg dw for Lumbricus terrestris (Spurgeon et
All toxicity data are expressed as added Zn concentration in soil,
based on either the nominal dose added or on measured, background
corrected soil Zn concentrations.
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