超清版 GB/T 23276-2024 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

ICS 77.120.99
CCS H 15
中华人民共和国国家标准
GB/T 23276—2024
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
代替 GB/T 23276—2009
2024-09-29 发布2025-04-01 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


前　　言
本文件按照GB/T 1.1—2020《标准化工作导则　第1 部分：标准化文件的结构和起草规则》的规
定起草。
本文件代替GB/T 23276—2009《钯化合物分析方法　钯量的测定　二甲基乙二醛肟析出EDTA 络
合滴定法》。与GB/T 23276—2009 相比，除结构调整和编辑性改动外，主要技术变化如下：
a） 更改了测定范围的下限（见第1章，2009年版的第1章）；
b） 更改了称样量（见4.5.1，200