ISO 5738-2004 乳和乳制品.铜含量的测定.光度测量法(参照法)

标准号：ISO 5738-2004
中文标准名称：乳和乳制品.铜含量的测定.光度测量法(参照法)
英文标准名称：Milk and milk products - Determination of copper content - Photometric method (Reference method)
标准类型：X16
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：X16
国际标准分类号：67.100.01
适用范围：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.