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EC number: -
CAS number: -
An Acute Immobilisation study of E Stage 3 intermediate was conducted
with Daphnia magna over a 48-hour exposure period. The
definitive test was carried out with overall determined concentrations
of 1.61, 3.13, 6.31, 12.1 and 28.1 mg/L. A blank control was performed
concurrently. 4 replicates were used for the control and test
concentrations with 5 daphnids for each replicate. The test was
performed with a static water system and the test solutions were not
renewed during the test.
The concentration of test item was determined in samples of
test media by HPLC-MS/MS method.
According to the results of test and based on the arithmetic mean
concentrations of fresh and old solutions, the 48-hour EC50,
of E Stage 3 intermediate to Daphnia magna was calculated by
the Trimmed Spearman-Karber (TSK) method (EPA, VERSION 1.5) to be 3.5
mg/L, and 95% confidence limits were 2.93 ~ 4.17 mg/L.
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