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铅试金-光谱法同时测定地质样品中痕量铂族元素的探索
An Exploration of Lead Fire Assay -AES Determination of PGM in Geological Samples
【摘要】 报道了用铅试金(留铅灰吹)-光谱法同时测定地质试样中痕量Pt、Pd、Rh、Ir、Os和Ru的方法研究。本方法将10~50g试样中的Pt、Pd、Rh、Ir、Os和Ru富集在7~35g铅扣中,然后通过留铅灰吹得到4~5mg铅金合粒,用发射光谱法可同时测定痕量Pt、Pd、Rh、Ir、Os和Ru。
【Abstract】 A method for determination of PGM (Pt,Pd,Rh,Ir,Os and Ru) in geological samples was developed by using Pb fire assay and atomic emission spectrometry(AES). It included the preconcentration of PGM 10~50g samples into 7~35g Pb-Au alloy and the cupellation to obtain Pb-Au button. Finally, the PGM elements were determined simultaneously by AES.
【关键词】 分析化学;
铅试金;
灰吹;
地质试样;
铂族元素;
发射光谱;
【Key words】 Analytic chemistry; Pb Fire assay; Cupellation; Geological sample; Platinum group metals; Emission spectrometry;
【Key words】 Analytic chemistry; Pb Fire assay; Cupellation; Geological sample; Platinum group metals; Emission spectrometry;
- 【文献出处】 贵金属 ,Precious Metals , 编辑部邮箱 ,2004年03期
- 【分类号】O657.3
- 【被引频次】22
- 【下载频次】143