钨精矿化学分析方法 第19部分:氟含量的测定 离子选择电极法 Methods for chemical analysis of tungsten concentrates一 Part 19:Determination of fluoride content一 Ion selective electrode method  ICS  77.120.99 CCS  H 14   中华人民共和国国家标准 GB/T 6150.19—2025 2025-01-2 4发布 2025-08-0 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     原理   ··································································································   1 5     试剂或材料   ···························································································   1 6     仪器设备   ······························································································   2 7     样品   ··································································································   2 8     试验步骤   ······························································································   2      8.1     试料   ······························································································   2      8.2     平行试验   ·························································································   2      8.3     空白试验   ·························································································   2      8.4     测定   ······························································································   2      8.5     工作曲线的绘制   ·················································································   3 9     试验数据处理   ·························································································   3 10     精密度   ·······························································································   3      10.1     重复性   ··························································································   3      10.2     再现性   ··························································································   4 11     试验报告   ····························································································   4 附录A （资料性）    精密度试验原始数据   ······························································   5 GB/T 6150.19—2025     Ⅰ 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。 本文件是GB/T 6150《钨精矿化学分析方法》的第19部分。GB/T 6150已经发布了以下部分： 第1部分：三氧化钨含量的测定　钨酸铵灼烧重量法； — 第2部分：锡含量的测定　碘酸钾滴定法和电感耦合等离子体原子发射光谱法； — 第3部分：磷含量的测定　磷钼黄分光光度法和电感耦合等离子体原子发射光谱法； — 第4部分：硫含量的测定　高频感应红外吸收法和燃烧﹘碘量法； — 钙量的测定　EDTA容量法和火焰原子吸收光谱法（GB/T 6150.5）； — 第6部分：湿存水含量的测定　重量法； — 钽铌量的测定　等离子体发射光谱法和分光光度法（GB/T 6150.7）； — 第8部分：钼含量的测定　硫氰酸盐分光光度法； — 铜量的测定　火焰原子吸收光谱法（GB/T 6150.9）； — 第10部分：铅含量的测定　氢化物发生原子荧光光谱法和火焰原子吸收光谱法； — 锌量的测定　火焰原子吸收光谱法（GB/T 6150.11）； — 第12部分：二氧化硅含量的测定　硅钼蓝分光光度法和重量法； — 第13部分：砷含量的测定　原子荧光光谱法和DDTC﹘Ag分光光度法； — 锰量的测定　硫酸亚铁铵容量法和火焰原子吸收光谱法（GB/T 6150.14）； — 第15部分：铋含量的测定　氢化物发生原子荧光光谱法和火焰原子吸收光谱法； — 铁量的测定　磺基水杨酸分光光度法（GB/T 6150.16）； — 第17部分：锑含量的测定　原子荧光光谱法； — 第18部分：钡含量的测定　电感耦合等离子体原子发射光谱法； — 第19部分：氟含量的测定　离子选择电极法； — 第20部分：汞含量的测定　固体进样直接测定法。 — 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。 本文件由中国有色金属工业协会提出。 本文件由全国有色金属标准化技术委员会（SAC/TC 243）归口。 本文件起草单位：江西省钨与稀土产品质量监督检验中心（江西省钨与稀土研究院）、赣州冶研所 检测技术服务有限公司、广东省科学院工业分析检测中心、紫金矿业集团股份有限公司、洛阳栾川钼业 集团股份有限公司、湖南柿竹园有色金属有限责任公司郴州钨制品分公司、江钨世泰科钨品有限公司、 深圳市中金岭南有色金属股份有限公司丹霞冶炼厂、铜陵有色金属股份集团有限公司、赣州海盛钨业股 份有限公司。 本文件主要起草人：李平、李建国、凌宏焕、古娟、赖旺、熊定淦、李展鹏、蒋佳洁、罗荣根、 张顺娘、姚建斐、段亚南、侯贵琼、唐险英、吴日亮、余春荣、谢爱城、黄青、程晓莹、潘颖、 钟德荣、周红水。   GB/T 6150.19—2025     Ⅲ 引　　言 钨精矿是一种重要的战略资源，以其作为重要工业原料生产的钨及钨合金，由于具有高熔点、高比 重、高硬度的特点，广泛应用于机械加工、冶金、采矿、电子电讯、建筑工业、兵器工业、航空航天等 领域。GB/T 6150旨在通过实验研究建立一套完整、切实可行、且适应于钨精矿产品生产和贸易需求的 化学成分分析的方法标准。限于