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.
General information
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Status: PublishedPublication date: 2007-02Stage: Close of review [90.60]
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Edition: 2Number of pages: 5
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Technical Committee :ISO/TC 34/SC 3ICS :67.080.01
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Life cycle
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Previously
WithdrawnISO 5518:1978
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