Home / Standards / GB/T 20574-2006 GB/T 20574-2006 Abolished Method for determination of total flavonoids in propolis - Colorimetric method 蜂胶中总黄酮含量的测定方法 分光光度比色法 Standard Type GBT ICS 65.020.01 CCS B40 Status 废止 Issue Date 2006-09-14 Implementation 2007-01-01 Responsible Dept 中华全国供销合作总社 Drafting Unit 中华全国供销合作总社