Norm

ISO 5518:1978 en

Fruits, vegetables and derived products - Determination of benzoic acid content - Spectrophotometric method

  • Deze norm is ingetrokken sinds 24-01-2007

31,57

Over deze norm

Status Ingetrokken
Aantal pagina's 3
Commissie Beleidscommissie Landbouw & Levensmiddelen
Gepubliceerd op 01-05-1978
Taal Engels
The method consists in homogenizing the product, followed by dilution and acidification of a test portion, extraction of the acid by diethyl ether, then alkaline re-extraction of this acid and purifying by oxidation using acidified potassium dichromate, determination of the acid with a suitable spectrophotometer. The method cannot be applied in the presence of p-chlorobenzoic acid and cinnamic acid, respectively.

Details

ICS-code 67.080.01
Nederlandse titel Fruits, vegetables and derived products - Determination of benzoic acid content - Spectrophotometric method
Engelse titel Fruits, vegetables and derived products - Determination of benzoic acid content - Spectrophotometric method
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