Home / Standards / GB/T 23193-2008 GB/T 23193-2008 Abolished Determination of theanine in tea - High performance liquid chromatography 茶叶中茶氨酸的测定 高效液相色谱法 Standard Type GBT ICS 67.140.10 CCS X55 Status 废止 Issue Date 2008-12-31 Implementation 2009-06-01 Responsible Dept 中华全国供销合作总社 Drafting Unit 中华全国供销合作总社