Home / Standards / GB/T 18882.2 GB/T 18882.2 Active Chemical analysis methods for mixed rare earth oxides of ion-adsorption rare earth ore — Part 2: Determination of aluminum oxide content 离子型稀土矿混合稀土氧化物化学分析方法 第2部分:三氧化二铝量的测定 Standard Type GBT ICS 77.120.99 CCS H14 Status 现行 Issue Date 2023-11-02 Implementation 2018-05-01 Responsible Dept N/A Drafting Unit N/A