ISO 5544:2008 (IDF 89:2008) Preview
Caseins -- Determination of " fixed ash " (Reference method)
This standard was last reviewed and confirmed in 2018. Therefore this version remains current.
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.
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