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Commission Regulation (EU) No 231/2012Show full title
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)
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- 2012 No. 231
- ANNEX
- E 340 (ii) DIPOTASSIUM...
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E 340 (ii) DIPOTASSIUM PHOSPHATE
| Synonyms | Dipotassium monophosphate; Secondary potassium phosphate; Dipotassium orthophosphate; Dibasic potassium phosphate |
| Definition | |
|---|---|
| Einecs | 231-834-5 |
| Chemical name | Dipotassium hydrogen monophosphate; Dipotassium hydrogen phosphate; Dipotassium hydrogen orthophosphate |
| Chemical formula | K2HPO4 |
| Molecular weight | 174,18 |
| Assay | Content not less than 98 % after drying at 105 °C for four hours P2O5 content between 40,3 % and 41,5 % on the anhydrous basis |
| Description | Colourless or white granular powder, crystals or masses; deliquescent substance, hygroscopic |
| Identification | |
| Test for potassium | Passes test |
| Test for phosphate | Passes test |
| Solubility | Freely soluble in water. Insoluble in ethanol |
| pH | Between 8,7 and 9,4 (1 % solution) |
| Purity | |
| Loss on drying | Not more than 2,0 % (105 °C, 4 hours) |
| Water insoluble matter | Not more than 0,2 % (on the anhydrous basis) |
| Fluoride | Not more than 10 mg/kg (expressed as fluorine) |
| Arsenic | Not more than 1 mg/kg |
| Cadmium | Not more than 1 mg/kg |
| Lead | Not more than 1 mg/kg |
| Mercury | Not more than 1 mg/kg |
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