ISO 5738 | IDF 76: 2004 - Milk and milk products - Determination of copper content - Photometric method (Reference Method)
|published date||24 March 2004|
|reference||ISO 5738, IDF 76:2004|
This standard specifies a reference method for the determination of the copper content of milk and milk products.
The method is applicable to: milk, skimmed milk and buttermilk; evaporated milk and sweetened condensed milk; whole and skimmed milk powder; cream and butter; butterfat; ice-cream; hard, semi-hard and soft cheeses of various ages, and processed cheese; and caseins, caseinates and coprecipitates.
The method is suitable for determining copper contents as low as 0,05 mg/kg in test samples of butter and butterfat.