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Physical & Chemical properties

Water solubility

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Description of key information

Analysis of elements at 20 °C and pH 7, loading rate 3 g/L (OECD 105, EU A.6, flask method):
Al: 62.3 mg/L
P: 52.0 mg/L
Si: 8.83 mg/L

Key value for chemical safety assessment

Additional information

In addition, the solubility of elements was determined at 20 °C at pH 1 and pH 13 at the loading rate of 3 mg/L, as well as at pH 7 using the loading rate of 30 g/L:

Al: 3140 mg/L at pH 1; 2100 mg/L at pH 13; 290 mg/L at pH 7, LR 30 g/L.

P: 2630 mg/L at pH 1; 2380 mg/L at pH 13; 230 mg/L at pH 7, LR 30 g/L.

Si: 425 mg/L at pH 1; 16.6 mg/L at pH 13; 43 mg/L at pH 7, LR 30 g/L.

Further testing according to the Guidance Document on Transformation/Dissolution of Metals and Metal Compounds in Aqueous Media (OECD Series on Testing and Assessment No. 29) at relevant pH values and loading rates is envisaged. The dossier will be updated as soon as new results are available.