ISO 14502-1:2005/cor 1:2006 绿茶和红茶的物质特性测定.第1部分:茶中多酚的总含量.使用Folin-Ciocalteu试剂的比色法.技术勘误1
Determination of substances characteristic of green and black tea - Part 1: Content of total polyphenols in tea - Colorimetric method using Folin-Ciocalteu reagent; Technical Corrigendum 1