土壤质量　土壤中22种元素的测定 酸溶﹘电感耦合等离子体质谱法 Soil quality—Determination of 22 elements—Digest with acids and analyse with inductively coupled plasma mass spectrometry  ICS  13.080 CCS  B 10   中华人民共和国国家标准 GB/T 44343—2024 2024-08-2 3发布 2024-12-0 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     方法原理   ······························································································   1 5     试剂和材料   ···························································································   1 6     仪器和设备   ···························································································   2 7     样品前处理   ···························································································   2 8     测试步骤   ······························································································   2 9     结果的计算与表达   ····················································································   3 10     检出限和定量限   ·····················································································   4 11     质量保证和控制   ·····················································································   5 12     试验报告   ····························································································   5 附录A （资料性）    ICP﹘MS参考条件及干扰消除   ·····················································   6 附录B （资料性）    待测元素和内标元素标准溶液质量浓度   ···········································   8 GB/T 44343—2024     Ⅰ