稀土环境障涂层材料    硅酸镱粉末 Rare earth environmental barrier coating material— Ytterbium silicate powder  ICS  77.120.99 CCS  H 65   中华人民共和国国家标准 GB/T 45009—2024 2024-11-2 8发布 2025-06-0 1实施     国家市场监督管理总局 国家标准化管理委员会 发 布 目　　次 前言   ·····································································································   Ⅲ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     分类   ··································································································   2      4.1     产品分类   ·························································································   2      4.2     牌号表示方法   ····················································································   2 5     技术要求   ······························································································   2      5.1     化学成分   ·························································································   2      5.2     物理性能   ·························································································   3      5.3     外观质量   ·························································································   4 6     试验方法   ······························································································   4      6.1     化学成分   ·························································································   4      6.2     物理性能   ·························································································   4      6.3     外观质量   ·························································································   4      6.4     数值修约   ·························································································   4 7     检验规则   ······························································································   5      7.1     检验与验收   ······················································································   5      7.2     组批   ······························································································   5      7.3     检验项目   ·························································································   5      7.4     取样和制样   ······················································································   5      7.5     检验结果判定   ····················································································   5 8     标志、包装、运输、贮存及随行文件   ································································   5      8.1     标志   ······························································································   5      8.2     包装   ······························································································   5      8.3     运输、贮存   ······················································································   6      8.4     随行文件   ·························································································   6 附录 A （规范性）　硅酸镱中稀土杂质（镧、铈、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、　 　　　　　　　　　　　　镥、钇）、非稀土杂质（Fe2O3、CuO、NiO、Al2O3、Na2O）及氧化镱含量测　 　　　　　　　　　　　　定样品前处理及分析试液的制备 XX   ············································   7      A.1     试剂与材料   ······················································································   7      A.2     样品   ·····························································································   7      A.3     试验步骤   ························································································   7      A.3.1     试料   ···························································································   7 GB/T 45009—2024     Ⅰ      A.3.2     测定次数   ···························································