Home / Standards / GB/T 47069.1-2026 GB/T 47069.1-2026 Upcoming Determination of particle density—Sedimentation methods—Part 1:Isopycnic interpolation approach 颗粒密度测定 沉降法 第1部分:等密度插值法 Standard Type GBT ICS 19.120 CCS A28 Status 即将实施 Issue Date 2026-01-28 Implementation 2026-08-01 Responsible Dept 国家标准委 Drafting Unit N/A