ISO/AWI 5544

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

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.