原子吸收光谱法检测岩石样品中的稀有金属元素  

Detection of Rare Metal Elements in Rock Samples by Atomic Absorption Spectroscopy

作　　者：谢悦 Xie Yue(Fourth Geological Brigade of Guangdong Provincial Geological Bureau,Zhanjian 524000,China)

机构地区：[1]广东省地质局第四地质大队,广东湛江524000

出　　处：《广东化工》2024年第19期180-182,共3页Guangdong Chemical Industry

摘　　要：原子吸收光谱法作为一种重要的元素分析手段,在岩石样品中检测稀有金属元素具有广泛的应用。本文概述了原子吸收光谱法的基本原理,详细介绍了样品前处理过程,包括样品的清洗、烘干、粉碎以及酸溶解等步骤。检测程序涵盖了样品的加入与处理,光谱仪器的组成和特征波长的选择,以及工作条件的调整和标准曲线的绘制。文中还强调了实验中需要注意的事项,如光度计的调整、样品加工过程中的污染与失量的控制,以及仪器性能的保持与维护。最后,通过小结强调了原子吸收光谱法在岩石样品中检测稀有金属元素方面的重要性和应用前景。Atomic absorption spectrometry,as an important elemental analysis technique,has extensive applications in the detection of rare earth elements in rock samples.This article outlines the basic principles of atomic absorption spectrometry and introduces detail the sample pretreatment procedures including washing,drying,crushing and acid digestion of the samples.The detection procedures cover sample introduction and preparation,composition and characteristic wavelengths selection of the spectrometer,adjustment of operating conditions,and establishment of calibration curves.The article also emphasizes precautions needed in the experiment,such as adjustment of the photometer,control of contamination and loss in sample processing,and maintenance of instrument performance.Finally,the summary highlights the significance and application prospects of atomic absorption spectrometry in the detection of rare earth elements in rock samples.

关 键 词：原子吸收光谱法 检测 岩石样品 稀有金属 元素 

分 类 号：TQ[化学工程]