Commission Regulation (EU) No 231/2012 of 9 March 2012 laying down specifications for food additives listed in Annexes II and III to Regulation (EC) No 1333/2008 of the European Parliament and of the Council (Text with EEA relevance) (c. 231)

ANNEX U.K.

E 554 SODIUM ALUMINIUM SILICATE U.K.

Synonyms	Sodium silicoaluminate; Sodium aluminosilicate; Aluminium sodium silicate
Definition
Einecs
Chemical name	Sodium aluminium silicate
Chemical formula
Molecular weight
Assay	Content on the anhydrous basis: as SiO2 not less than 66,0 % and not more than 88,0 % as Al2O3 not less than 5,0 % and not more than 15,0 %
Description	Fine white amorphous powder or beads
Identification
Test for sodium	Passes test
Test for aluminium	Passes test
Test for silicate	Passes test
pH	Between 6,5 and 11,5 (5 % slurry)
Purity
Loss on drying	Not more than 8,0 % (105 °C, 2 hours)
Loss on ignition	Not less than 5,0 % and not more than 11,0 % on the anhydrous basis (1 000 °C to constant weight)
Sodium	Not less than 5 % and not more than 8,5 % (as Na2O) on the anhydrous basis
Arsenic	Not more than 3 mg/kg
Lead	Not more than 5 mg/kg
Mercury	Not more than 1 mg/kg