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首页> 外文期刊>The European physical journal, D. Atomic, molecular, and optical physics >A fast and accurate method for the determination of precious alloys caratage by Laser Induced Plasma Spectroscopy
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A fast and accurate method for the determination of precious alloys caratage by Laser Induced Plasma Spectroscopy

机译：激光诱导等离子体光谱法快速准确地测定贵金属克拉

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摘要

The purpose of this paper is to present a new and efficient technique for precious alloys caratage based on the Laser Induced Plasma Spectroscopy (LIPS) method. The LIPS analysis can be carried out in few minutes and in an essentially non-destructive way on samples of arbitrary shape. Experimental results showing the feasibility of the method for fast and precise analysis of gold jewellery without the need of calibration are presented. Using a new technique of LIPS spectra analysis, recently developed and patented by the Applied Laser Spectroscopy Laboratory at IFAM, we were able to obtain quantitative information about all the alloy components, including trace elements at concentration down to the order of 1 ppm. Matrix effects do not affect the accuracy of the technique.
机译：本文的目的是提出一种基于激光诱导等离子体光谱（LIPS）方法的珍贵合金克拉的新技术。 LIPS分析可以在几分钟内以基本上无损的方式对任意形状的样品进行。实验结果表明，无需校准即可快速，准确地分析黄金珠宝的方法的可行性。使用IFAM应用激光光谱实验室最近开发并获得专利的LIPS光谱分析新技术，我们能够获得有关所有合金成分的定量信息，包括浓度低至1 ppm的微量元素。矩阵效应不会影响该技术的准确性。

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