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EC number: 923-725-2
CAS number: -
Biofert Plusz showed a low acute toxicity towards Daphnia magna in a study conducted according to OECD Guideline 202 (48 h EC50=677 mg dry matter/L, equivalent to 2410 mg frah material/L nominal).
The acute toxicity of Biofert Plusz towards Daphnia magna was
investigated in a study conducted according to OECD Guideline 202
(Daphnia sp. Acute Immobilisation Test). 20 daphnids (5
daphnids/replicate) were exposed to Biofert Plusz for 48 h at nominal
concentrations ranging from 469 to 3559 mg/L under semi-static
conditions. The test material concentration was determined by HPLC based
on L-Threonine (main component) measurements. The 48 h EC50 was
determined to be 2410 mg fresh material/L, corresponding to 677 mg dry
matter/L (nominal). Moreover, a 48 h NOEC=444 mg dry matter/L and a
LOEC=667 mg dry matter/L were found. All concentrations in terms of
fresh weight. On a dry weight basis the EC50 is 677 mg/L, The NOEC is
444 mg/L and the LOEC is 667 mg/L.
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