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Environmental fate & pathways

Adsorption / desorption

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Description of key information

The TFA-anion poorly adsorbs to the different soil components because after 16 hours of agitating in a soil/water system less than 3% of the initial amount of TFA had disappeared from the water phase. Due to the fact that less than 25% is adsorbed, no further testing is required by the OECD guidelines.

Key value for chemical safety assessment

Additional information

One study is available, as a weight of evidence approach, to assess the adsorption potential of NaTFA. This study was carried out according to OECD guideline 106 with three soil types. The TFA-anion poorly adsorbs to the different soil components because after 16 hours of agitating in a soil/water system less than 3% of the initial amount of TFA had disappeared from the water phase. Due to the fact that less than 25% is adsorbed, no further testing is required by the OECD guidelines.

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