ISO 5519:1978
Fruits, vegetables and derived products; Determination of sorbic acid content

Standard No.

ISO 5519:1978

Release Date

1978

Published By

International Organization for Standardization (ISO)

Status

Withdraw 2008-02

Replace By

ISO 5519:2008

Latest

ISO 5519:2008

Scope

The method consists in homogenizing the product, followed by quantitative entraining, by steam, of the acid present in a test portion, determination of the acid in the destillate obtained, either by spectrophotometry in the ultra-violet range (technique A) or by measuring by photocolorimetry or by spectrophotometry the pink colour obtained after oxidation by chromic acid and then treatment with thiobarbituric acid (technique B).

ISO 5519:1978 history

• 2008 ISO 5519:2008 Fruits, vegetables and derived products - Determination of sorbic acid content
• 1978 ISO 5519:1978 Fruits, vegetables and derived products; Determination of sorbic acid content