Active standard | Published: 18/01/2007

ISO 5518:2007-ed.2.0

Fruits, vegetables and derived products — Determination of benzoic acid content — Spectrophotometric method
(Fruits, légumes et produits dérivés — Détermination de la teneur en acide benzoique — Méthode spectrophotométrique)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 5518:2007-ed.2.0

Publication date: 18/01/2007

Pages: 5

Country: International technical standard

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Anotation

Description / Abstract: ISO 5518:2007 specifies a method for determining the benzoic acid content of fruits, vegetables and derived products. As chlorobenzoic acids are resistant to oxidation, the method cannot be applied in the presence of p-chlorobenzoic acid, as the absorption spectrum of this acid is close to that of benzoic acid. Neither can it be used in the presence of cinnamic acid, which is transformed into benzoic acid by chromic acid oxidation.

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