【引用本文】 修凤凤, 樊勇, 李俊雨, 等. 粉末压片-波长色散X射线荧光光谱法测定金矿型构造叠加晕样品中18种次量元素[J]. 岩矿测试, 2018, 37(5): 526-532. doi: 10.15898/j.cnki.11-2131/td.201704170061
XIU Feng-feng , FAN Yong , LI Jun-yu , et al. Determination of 18 Minor Elements in the Structural Superimposed Halo Sample from Gold Deposits by Wavelength Dispersive X-ray Fluorescence Spectrometry with Pressed-powder Pellets[J]. Rock and Mineral Analysis, 2018, 37(5): 526-532. doi: 10.15898/j.cnki.11-2131/td.201704170061

粉末压片-波长色散X射线荧光光谱法测定金矿型构造叠加晕样品中18种次量元素

中国冶金地质总局地球物理勘查院测试中心, 河北 保定 071051

收稿日期: 2017-04-17  修回日期: 2017-12-07 

基金项目: 中国冶金地质总局地球物理勘查院构造叠加晕研究项目(1401ZKZGB00001)

作者简介: 修凤凤,工程师,主要从事地质实验测试研究及实验室质量管理工作。E-mail:303551135@qq.com。。

Determination of 18 Minor Elements in the Structural Superimposed Halo Sample from Gold Deposits by Wavelength Dispersive X-ray Fluorescence Spectrometry with Pressed-powder Pellets

Geophysical Exploration Academy of China Metallurgical Geology Bureau, Baoding 071051, China

Received Date: 2017-04-17
Revised Date: 2017-12-07

摘要:金矿床型构造叠加晕样品中的砷锑铋银锡钨等金属元素含量对金矿多期次多阶段成矿具有指示意义。此类样品采集于金矿中,样品各元素含量范围大,从克吨级至百分之几,分布也不均匀。采用常规的检测方法分析时,存在元素间干扰不易消除、记忆效应严重等问题。本文建立了粉末压片-波长色散X射线荧光光谱法测定金矿型构造叠加晕样品中砷锑铋等18种次量元素的定量分析方法。通过研究角度扫描图,选择了干扰少、强度高的分析线;充分混匀样品,消除了偏析效应;选用与样品基体类似的国家标准样品建立工作曲线,通过数学校正和内标法校正了谱线重叠干扰和基体效应。方法检出限为0.14~2.23 μg/g,精密度(RSD,n=12)小于4%。本方法可快速、准确地测定金矿床型构造叠加晕样品中各元素的含量。

关键词: 金矿床, 构造叠加晕样品, 粉末压片, X射线荧光光谱法

Determination of 18 Minor Elements in the Structural Superimposed Halo Sample from Gold Deposits by Wavelength Dispersive X-ray Fluorescence Spectrometry with Pressed-powder Pellets

KEY WORDS: gold deposit, the structural superimposed halo samples, pressed-powder pellets, Wavelength Dispersive X-ray Fluorescence Spectrometry

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粉末压片-波长色散X射线荧光光谱法测定金矿型构造叠加晕样品中18种次量元素

修凤凤, 樊勇, 李俊雨, 朱义杰