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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purity criteria on food additives other than colours and sweeteners (Text with EEA relevance) (Codified version) (repealed)
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This is the original version (as it was originally adopted).
a When labelled ‘for food use’, nitrite may only be sold in a mixture with salt or a salt substitute. | |
Definition | |
Chemical name | Potassium nitrite |
Einecs | 231-832-4 |
Chemical formula | KNO2 |
Molecular weight | 85,11 |
Assay | Content not less than 95 % on the anhydrous basisa |
Description | White or slightly yellow, deliquescent granules |
Identification | |
A.Positive tests for nitrite and for potassium | |
B.pH of a 5 % solution: | Not less than 6,0 and not more than 9,0 |
Purity | |
Loss on drying | Not more than 3 % after drying for four hours over silica gel |
Arsenic | Not more than 3 mg/kg |
Lead | Not more than 5 mg/kg |
Mercury | Not more than 1 mg/kg |
Heavy metals (as Pb) | Not more than 10 mg/kg |
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