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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 ················
GB-T 9489-2024 刚玉粉化学分析方法
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