Chwilio Deddfwriaeth

Commission Directive 96/77/EC (repealed)Dangos y teitl llawn

Commission Directive 96/77/EC of 2 December 1996 laying down specific purity criteria on food additives other than colours and sweeteners (Text with EEA relevance) (repealed)

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Changes over time for: E 353 METATARTARIC ACID

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Cyhoeddir Cyfarwyddebau’r UE ar y wefan hon i gynorthwyo croesgyfeirio o ddeddfwriaeth y DU. Ers diwrnod cwblhau’r cyfnod gweithredu (31 Rhagfyr 2020 11.00 p.m.) nid oes unrhyw ddiwygiadau wedi'u cymhwyso i'r fersiwn hon.

[F1E 353 METATARTARIC ACID U.K.

Synonyms Ditartaric acid
Definition
Chemical name Metatartaric acid
Chemical formula C 4 H 6 O 6
Assay Not less than 99,5  %
Description Crystalline or powder form with a white or yellowish colour. Very deliquescent with a faint odour of caramel
Identification
A. Very soluble in water and ethanol.
B. Place a sample of 1 to 10 mg of this substance in a test tube with 2 ml of concentrated sulfuric acid and 2 drops of sulpho-resorcinol reagent. When heated to 150 °C, an intense violet coloration appears
Purity
Arsenic Not more than 3 mg/kg
Lead Not more than 5 mg/kg
Mercury Not more than 1 mg/kg]

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