Home / Standards / GB/T 26645.1-2011 GB/T 26645.1-2011 Active Determination of particle size distribution by gravitational liquid sedimentation methods - Part 1: General principles and guidelines 粒度分析 液体重力沉降法 第1部分：通则 Standard Type GBT ICS N/A CCS A28 Status 现行 Issue Date 2011-06-16 Implementation 2012-03-01 Responsible Dept 国家标准委 Drafting Unit N/A