硬质合金    金属元素含量的测定 X射线荧光光谱法 Hardmetals—Determination of contents of metallic elements—X-ray fluorescence spectrometry  ICS  77.160 CCS  H 16   中华人民共和国国家标准 GB/T 26050—2024 代替 GB/T 26050—2010 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     原理   ··································································································   2 5     干扰元素   ······························································································   2 6     试剂   ··································································································   2 7     仪器与设备   ···························································································   2 8     样品   ··································································································   2 9     试验步骤   ······························································································   2      9.1     试料   ······························································································   2      9.2     平行试验   ·························································································   3      9.3     预处理   ···························································································   3      9.4     灼烧系数   ·························································································   3      9.5     试样样片的制备   ·················································································   3      9.6     标准样片的制备   ·················································································   4      9.7     测定   ······························································································   4 10     试验数据处理   ·······················································································   4 11     允许差   ·······························································································   4 12     试验报告   ····························································································   5 GB/T 26050—2024     Ⅰ