ISO 6560:1983
Fruit and vegetable products; Determination of benzoic acid content (benzoic acid contents greater than 200 mg per litre or per kilogram); Molecular absorption spectrometric method

Standard No.

ISO 6560:1983

Release Date

1983

Published By

International Organization for Standardization (ISO)

Latest

ISO 6560:1983

Scope

The method consists in extracting the acid from an acidified test portion using diethyl ether, nitrating followed by reduction and Mohler's reaction modified with hydroxylaminehydrochloride, measuring the absorbance of the red complex obtained with a suitable spectrometer. For determining lower concentrations, see ISO 5518.

ISO 6560:1983 history

• 1983 ISO 6560:1983 Fruit and vegetable products; Determination of benzoic acid content (benzoic acid contents greater than 200 mg per litre or per kilogram); Molecular absorption spectrometric method