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Environmental fate & pathways

Adsorption / desorption

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Description of key information

Relevant information are reported in the EHC (2002).  Fluoride strongly adsorbs to soil and is essentially immobile with very low levels of leaching.

Key value for chemical safety assessment

Additional information

The transport and transformation of fluoride in soil are influenced by pH and the formation of predominantly aluminium and calcium complexes. Adsorption to the soil solid phase is stronger at slightly acidic pH values (5.5–6.5). Fluoride is not readily leached from soil