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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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No bioaccumulation data are available on insoluble salts of cerium but literature data provide information on the soluble salt cerium nitrate. A BCF value of 804 was recorded after 29 days, with BCF values reducing over time.  The half-life for internal organs was calculated as 8.66 days.  Cerium nitrate is therefore eliminated from fish and does not readily bio-concentrate.  By analogy to cerium nitrate, cerium oxalate is unlikely to bioaccumulate, and furthermore being poorly water soluble it is expected to be less bioavailable than the soluble salt tested.

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