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EC number: 273-694-8
CAS number: 69011-50-3
A scum formed on the surface of molten zinc and zinc alloys.
Tests done according to standard protocol. very good quality and
considered useful for setting
a) the reference value for acute aquatic ecotoxicity (the study was used
for that purpose in the EU risk assessment process on zinc (ECB 2008).
b) the PNEC for the freshwater. (the study was used to that purpose in
the EU risk assessment on zinc (ECB 2008).
Culture medium, test water conditions well described and relevant the
purpose of classification and risk assessment.
NOEC and LC50 values: see "results"
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