Commission Directive 2008/84/EC (repealed)Show full title

Commission Directive 2008/84/EC of 27 August 2008 laying down specific purity criteria on food additives other than colours and sweeteners (Text with EEA relevance) (Codified version) (repealed)

E 552 CALCIUM SILICATE

DefinitionCalcium silicate is a hydrous or anhydrous silicate with varying proportions of CaO and SiO2
Chemical nameCalcium silicate
Einecs215-710-8
Assay

Content on the anhydrous basis:

  • as SiO2 not less than 50 % and not more than 95 %

  • as CaO not less than 3 % and not more than 35 %

DescriptionWhite to off-white free-flowing powder that remains so after absorbing relatively large amounts of water or other liquids
Identification
A.Positive test for silicate and for calcium
B.Forms a gel with mineral acids
Purity
Loss on dryingNot more than 10 % (105 oC, 2h)
Loss on ignitionNot less than 5 % and not more than 14 % (1 000 oC, constant weight)
SodiumNot more than 3 %
FluorideNot more than 50 mg/kg
ArsenicNot more than 3 mg/kg
LeadNot more than 5 mg/kg
MercuryNot more than 1 mg/kg