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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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The toxicity of the test item zirconium praseodymium yellow zircon was tested on Pseudokirchneriella subcapitata. The EC10, EC20 and EC50 for growth rate and for yield were determined to be greater than the nominal tested concentration of 100.0 mg/L.

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