Phone: (011) 7541-421, 3409-301, 3409-335, 6547-293, 3409-310
E-mail: Standards sales: prodaja@iss.rs Education: iss-edukacija@iss.rs Information about standards: infocentar@iss.rs
Stevana Brakusa 2, 11030 Beograd
Main menu

ISO/WD 5544

Caseins — Determination of " fixed ash " (Reference method)

General information

20.99     May 13, 2026

ISO

ISO/TC 34/SC 5

International Standard

Scope

ISO 5544│IDF 89:2008 specifies a reference method for the determination of the "fixed ash" of caseins, as a percentage by mass, obtained by acid precipitation or lactic fermentation, of ammonium caseinates, of their mixtures with rennet casein and with caseinates, and of caseins of unknown type.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 5544:2008

NOW

PROJECT
ISO/WD 5544
20.99 WD approved for registration as CD
May 13, 2026