Milk and milk products — Determination of the benzoic and sorbic acid contents

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French, Russian

Published date

07-10-2008

Publisher

International Organization for Standardization

ISO 9231|IDF 139:2008 specifies a method for the determination of the benzoic and sorbic acid contents in milk and milk products.

The method is applicable to milk, dried milk, yogurt and other fermented milks, and cheese and processed cheese, and is suitable for measuring the contents of both compounds at levels of more than 5 mg/kg.

DevelopmentNote	Supersedes ISO/DIS 9231. Also numbered as IDF 139. (07/2008)
DocumentType	Standard
Pages	9
PublisherName	International Organization for Standardization
Status	Current

Standards	Relationship
NF ISO 9231 : 2008	Identical
GOST ISO 9231 : 2015	Identical
PN-ISO 9231:2019-08	Identical
BS ISO 9231:2008	Identical

ISO 5725:1981	Precision of test methods Determination of repeatability and reproducibility by inter-laboratory tests
ISO 707:2008	Milk and milk products — Guidance on sampling
ISO 1042:1998	Laboratory glassware One-mark volumetric flasks
ISO 5725-2:1994	Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method