标准摘要
[中文适用范围]： 本国际标准规定了测定乳和乳制品中铜含量的参考方法。 该方法适用于 a) 牛奶、脱脂牛奶和酪乳，b) 淡奶和甜炼乳，c) 全脂和脱脂奶粉，d) 奶油和黄油，e) 乳脂，f) 冰淇淋，g) 硬质冰淇淋、不同年龄的半硬质和软质奶酪以及加工奶酪，以及 h) 酪蛋白、酪蛋白酸盐和共沉淀物。 该方法适用于测定黄油和乳脂样品中低至 0.05 mg/kg 的铜含量。 注：有关乳脂的详细信息，请参阅 IDF 68。 [外文原描述]： ISO 5738|IDF 76:2004 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.
英文名称Milk and milk products — Determination of copper content — Photometric method (Reference method)