Table E.8.
Specifications established for calcium dihydrogen phosphate (E 341 (i)) according to Commission Regulation (EU) No 231/2012 and JECFA (2006a)
| Commission Regulation No 231/2012 | JECFA (2006b,c,d,e,f) | |
|---|---|---|
| Assay |
Content not less than 95% on the dried basis P2O5 content between 55.5% and 61.1% on the anhydrous basis |
Anhydrous: Not less than 16.8% and not more than 18.3% of Ca Monohydrate: Not less than 15.9% and not more than 17.7% of Ca |
| Description | Granular powder or white, deliquescent crystals or granules | Hygroscopic white crystals or granules, or granular powder |
| Identification | ||
| Solubility | – | Sparingly soluble in water, insoluble in ethanol |
| Test for calcium | Passes test | Passes test |
| Test for phosphate | Passes test | Passes test |
| CaO content |
Between 23.0% and 27.5% (anhydrous) Between 19.0% and 24.8% (monohydrate) |
|
| Purity | ||
| Loss on drying |
Anhydrous: not more than 14% (105°C, 4 h) Monohydrate: not more than 17.5% (105°C, 4 h) |
Monohydrate: Not more than 1% (60°C, 3 h) |
| Loss on ignition |
Anhydrous: not more than 17.5% (after ignition at 800 ± 25°C for 30 min) Monohydrate: not more than 25.0% (determined by drying at 105°C for 1 h, then ignite at 800 ± 25°C for 30 min) |
Anhydrous: Between 14.0% and 15.5% (800°C, 30 min) |
| Fluoride | Not more than 30 mg/kg (expressed as fluorine) |
Not more than 50 mg/kg Anhydrous: Determine as directed in Method II Monohydrate: Proceed as directed under Method IV |
| Arsenic | Not more than 1 mg/kg | Not more than 3 mg/kg (Method II) |
| Cadmium | Not more than 1 mg/kg | |
| Lead | Not more than 1 mg/kg | Not more than 4 mg/kg |
| Mercury | Not more than 1 mg/kg | – |
| Aluminium |
Not more than 70 mg/kg (only if added to food for infants and young children) Not more than 200 mg/kg (for all uses except food for infants and young children) |
– |