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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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Diss Factsheets

Physical & Chemical properties

Water solubility

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Description of key information

The solubility of Erbium tetraoxide vanadium in water based on measured dissolved V concentrations of 17.1 µg V/L at pH 6.55 and 20°C after 51 days was calculated with 95.0 ± 0.8 µg/L.

Key value for chemical safety assessment

Water solubility:
95 µg/L
at the temperature of:
20 °C

Additional information

Under the conditions used (exclusion of CO2 and O2, inert argon gas, flask method, loadings of 5mg/L), a solubility equilibrium was not observed during the test period of 51 days. Based on the maximum vanadium concentration of 17.1 µg/L observed during the testing period (51d), the calculated water solubility of ErVO4 corresponds to 95.0 µg/L.