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Environmental fate & pathways

Adsorption / desorption

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Link to relevant study record(s)

Description of key information

In accordance with section 2 of REACH Annex XI, the adsorption/desorption screening study, listed under standard information requirement 9.3.1 of Annex VIII as well as further information on adsorption/desorption, listed under standard information requirement 9.3.3 of Annex IX of the same regulation, do not need to be conducted as these studies are technically not feasible to conduct.

As tantalum pentaoxide is highly insoluble in water, analytical measurements cannot be performed with sufficient accuracy.

Key value for chemical safety assessment

Additional information