ISO 5544 | IDF 89: 2008 - Caseins - Determination of "fixed ash"(Reference method) Type:PDF a technical problem when performing

a technical problem when performing the parallel determinations may be indicated

03 µg/g to 1 µg/g and 0

together with confirmatory tests and clean-up procedures

The method has been validated for measuring trace levels of intact nitrofurazone to levels down to 1 ng/g in fluid milk and powdered dairy products on a whole product (i

which has been technically revised

ISO 5544 | IDF 89: 2008 - Caseins - Determination of "fixed ash"(Reference method) Type:PDF a technical problem when performingThis standard 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.