DIN 10811-2-1997 茶和茶制品分析.茶饮料中可可碱和咖啡因含量测定.第2部分:高效液体色谱分析比照法(亦适用于低含量可可因)

标准号：DIN 10811-2-1997
中文标准名称：茶和茶制品分析.茶饮料中可可碱和咖啡因含量测定.第2部分:高效液体色谱分析比照法(亦适用于低含量可可因)
英文标准名称：Analysis of tea and tea products - Determination of theobromine and caffeine content of fluid tea drinks - Part 2: HPLC-reference method (for low theobromine contents also)
标准类型：X55
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：X55
国际标准分类号：67.140.10
适用范围：The document specifies a HPLC-method for the determination of theobromine and caffeine contents of fluid tea drinks. This method should be prefered for the determination of theobromine contents lower than 2 mg/l. For the determination of theobromine contents higher than 2 mg/l part 1 of DIN 10811 should be prefered.