ISO-6560 › 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

ISO-6560 - 1ST EDITION - CURRENT


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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.

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67.080.01 (Fruits, vegetables and derived products in general)

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Document Number

ISO 6560:1983

Revision Level

1ST EDITION

Status

Current

Publication Date

Nov. 1, 1983

Committee Number

ISO TC 34/SC 3