铷的化学物相分析研究  

Research on Chemical Phase Analysis of Rubidium

作　　者：喻星 漆欢 YU Xing;QI Huan(Changsha Research Institute of Mining and Metallurgy Co.,Ltd.,Changsha 410012,Hunan,China)

机构地区：[1]长沙矿冶研究院有限责任公司,湖南长沙410012

出　　处：《矿冶工程》2024年第6期117-120,共4页Mining and Metallurgical Engineering

摘　　要：研究了湖南柿竹园矿区金属矿物中铷的化学物相分析方法。采用电感耦合等离子体发射光谱法,结合XRD、SEM、电子探针和MLA初步探明金属矿物中铷的赋存状态及大致质量分数,确定铷的分相,然后选用合适的选择性试剂以及适宜的反应条件,分析云母中铷、萤石中铷、硅铝氧化物及长石中铷和难熔矿物中铷物相,制定了铷物相分析方法体系。结果表明:该方法检出限较低、精密度高、重现性好、线性范围较宽、流程简单快速;并结合矿物中碱金属元素干扰实验,根据不同浓度的K、Na、Li选择合理的方法,达到干扰小、结果精确的目的。Based on studies on the chemical phase-analysis methods for rubidium in some mineral ores from Hunan Shizhuyuan mine,the occurrence state and mass fraction of rubidium in minerals were preliminarily determined by using inductively coupled plasma optical emission spectrometer(ICP-OES),combined with XRD,SEM,electron probe and MLA.After the phase separation of rubidium was determined and appropriate selective reagents and reaction conditions were selected,rubidium in mica,rubidium in fluorite,rubidium in silica-aluminum oxide,rubidium in feldspar,and rubidium in insoluble minerals were all analyzed.Then,a method for rubidium phase analysis was developed.It is found that this analysis method is characterized by lower detection limit,high precision,good reproducibility,wider linear range,and simple and rapid process.Based on an experiment on the interference of alkali metallic elements in minerals,reasonable analysis methods were selected according to different concentrations of K,Na and Li,so as to obtain accurate results with less interference.

关 键 词：铷 物相分析 电感耦合等离子体发射光谱法 云母 萤石 

分 类 号：O657[理学—分析化学]