Home / Standards / GB/T 6609.25-2023 GB/T 6609.25-2023 Active Chemical analysis methods and determination of physical performance of alumina—Part 25: Method for the determination of tapped and untapped density 氧化铝化学分析方法和物理性能测定方法 第25部分：松装和振实密度的测定 Standard Type GBT ICS 71.100.10 CCS H30 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A