纳米技术　多聚糖超顺磁氧化铁溶液 铁含量测量　电感耦合等离子体 发射光谱法 Nanotechnologies—Measurement of iron content in polysaccharide coated super﹘ paramagnetic iron oxide solution—Inductively coupled plasma atomic emission spectrometry  ICS  07.120 CCS  L 04   中华人民共和国国家标准 GB/T 44209—2024 2024-07-2 4发布 2025-02-0 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 引言   ·····································································································   Ⅳ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     测量原理   ······························································································   2 5     仪器、器具与试剂   ····················································································   2 6     溶液配制   ······························································································   2 7     测量步骤   ······························································································   3 8     结果计算   ······························································································   4 9     不确定度分析   ·························································································   4 10     测量报告   ····························································································   4 附录A （资料性）    多聚糖超顺磁氧化铁溶液铁含量的测量及不确定度分析示例   ·····················   5 参考文献   ··································································································   8 GB/T 44209—2024     Ⅰ