钯化合物分析方法 钯含量的测定 二甲基乙二醛肟析出EDTA络合滴定法 和重量法 Method for chemical analysis of palladium compounds— Determination of palladium content— Complexometric tityation using butanedione dioxime releasing EDTA and gravimetric method  ICS  77.120.99 CCS  H 15   中华人民共和国国家标准 GB/T 23276—2024 代替 GB/T 23276—2009 2024-09-2 9发布 2025-04-0 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     方法一：二甲基乙二醛肟析出EDTA络合滴定法   ···················································   1      4.1     原理   ······························································································   1      4.2     试剂或材料   ······················································································   1      4.3     仪器设备   ·························································································   2      4.4     样品   ······························································································   2      4.5     试验步骤   ·························································································   2      4.6     试验数据处理   ····················································································   3      4.7     精密度   ···························································································   4 5     方法二： 二甲基乙二醛肟重量法   ····································································   4      5.1     原理   ······························································································   4      5.2     试剂或材料   ······················································································   4      5.3     仪器设备   ·························································································   5      5.4     样品   ······························································································   5      5.5     试验步骤   ·························································································   5      5.6     试验数据处理   ····················································································   6      5.7     精密度   ···························································································   6 6     试验报告   ······························································································   7 附录A （资料性）    精密度试验原始数据   ······························································   8 GB/T 23276—2024     Ⅰ