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EC number: 279-899-9
CAS number: 82089-64-3
Exposure of Pseudokirchneriella subcapitata to the test
item gave the following results based on the geometric mean measured
95% Confidence Limits
No Observed Effect Concentration
Lowest Observed Effect Concentration
* It was not possible to calculate 95% confidence limits
for the ErC50 value as the data generated did not fit the models
available for the calculation of confidence limits.
study according to OECD 201 is available. A suitable
substance specific method of analysis for the test item could not be
developed in the study. Consequently,
verification of exposure concentrations was based on the measured levels
of total dissolved titanium in the samples taken during the test, from
which the measured levels of the test item were calculated based on its
theoretical titanium content. However, the
analytical method applied in the studies is not considered appropriate
for the test item, thus the nominal concentrations are
used for the chemical safety assessment.
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