刚玉粉化学分析方法 Methods for chemical analysis of alundum powder  ICS  91.100.10 CCS  Q 62   中华人民共和国国家标准 GB/T 9489—2024 代替 GB/T 9489—2008 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   ·····································································································   Ⅴ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     总体要求   ······························································································   1 5     氧化钙、氧化镁、二氧化硅、三氧化二铁、二氧化钛电感耦合等离子体发射光谱法的测定   ········   2      5.1     测定范围   ·························································································   2      5.2     原理   ······························································································   2      5.3     试剂   ······························································································   2      5.4     仪器设备   ·························································································   2      5.5     分析步骤   ·························································································   3      5.6     分析结果计算   ····················································································   4      5.7     允许差   ···························································································   4 6     三氧化二铁、氧化钙、氧化镁、氧化钾、氧化钠原子吸收分光光度法的测定   ······················   4      6.1     测定范围   ·························································································   4      6.2     原理   ······························································································   4      6.3     试剂   ······························································································   4      6.4     仪器设备   ·························································································   5      6.5     分析步骤   ·························································································   5      6.6     分析结果计算   ····················································································   6      6.7     允许差   ···························································································   6 7     三氧化二铝络合滴定 ─ 氟化物释放法的测定   ······················································   6      7.1     测定范围   ·························································································   6      7.2     原理   ······························································································   6      7.3     试剂   ······························································································   7      7.4     仪器设备   ·························································································   7      7.5     分析步骤   ·························································································   7      7.6     分析结果计算   ····················································································   8      7.7     允许差   ···························································································   8 8     三氧化二铁比色法的测定   ············································································   9      8.1     测定范围   ·························································································   9      8.2     原理   ······························································································   9      8.3     试剂   ······························································································   9      8.4     仪器设备   ·························································································   9 GB/T 9489—2024     Ⅰ      8.5     分析步骤   ················