標準號：BS ISO 5738-2004
中文標準名稱：乳和乳制品.銅含量的測定.光度參照法
英文標準名稱：Milk and milk products - Determination of copper content - Photometric method - (Reference method)
標準類型：X16
發(fā)布日期：2004/9/24 12:00:00
實施日期：2004/9/24 12:00:00
中國標準分類號：X16
國際標準分類號：67.100.01
適用范圍：This International Standard specifies a reference method for the determination of the copper content of milk and milk products. The method is applicable to a) milk, skimmed milk and buttermilk, b) evaporated milk and sweetened condensed milk, c) whole and skimmed milk powder, d) cream and butter, e) butterfat, f) ice-cream, g) hard, semi-hard and soft cheeses of various ages, and processed cheese, and h)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. NOTE See IDF 68 for details of butterfat.