Commission Directive 2008/84/EC (repealed)Show full title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purity criteria on food additives other than colours and sweeteners (Text with EEA relevance) (Codified version) (repealed)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 503(ii) AMMONIUM HYDROGEN CARBONATEU.K.
| Synonyms | Ammonium bicarbonate |
| Definition | |
| Chemical name | Ammonium hydrogen carbonate |
| Einecs | 213-911-5 |
| Chemical formula | CH5NO3 |
| Molecular weight | 79,06 |
| Assay | Content not less than 99,0 % |
| Description | White crystals or crystalline powder |
| Identification | |
A.Positive tests for ammonium and for carbonate | |
B.pH of a 5 % solution | about 8,0 |
C.Solubility | Freely soluble in water. Insoluble in ethanol |
| Purity | |
| Non-volatile matter | Not more than 500 mg/kg |
| Chlorides | Not more than 30 mg/kg |
| Sulphate | Not more than 30 mg/kg |
| Arsenic | Not more than 3 mg/kg |
| Lead | Not more than 5 mg/kg |
| Mercury | Not more than 1 mg/kg |
