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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

The supporting study from Abraham et al gave an estimated EC50-2h for Aspidisca cicada and Vorticella convallaria
of 14.56 mg and 17.15 mg dissolved AlK(SO4)2/ kg as dry weight.
The key study from Chowdhury et al. gave an estimated EC50-4h for Vibrio species of 630 mg/L as total
aluminium potassium bis sulphate.
Based on the Key -and supporting study of toxicity to microorganisms
the calculated EC50 for aluminium potassium bis sulphate is 630 mg/L.

Key value for chemical safety assessment

EC50 for microorganisms:
630 mg/L

Additional information

Based on the Key -and supporting study of toxicity to microorganisms

the calculated EC50 for aluminium potassium bis sulphate is 630 mg/L.