LA-ICP-MS测定金装饰合金中多元素含量协同实验的评价与分析

2nd International Conference on Digital Society and Intelligent Systems (DSInS 2022) Pub Date : 2023-04-03 DOI:10.1117/12.2673359

Boling Huang, Xuan Wang, Yong Zhu, Tingting Yang, Lansen Li, Simeng Li, Xihan Yang, Tianchen Xu, Wei Huang, Jian Shen, Miao Li

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引用次数: 0

摘要

在制定LA-ICP-MS测定金合金首饰中多元素含量标准的过程中，为了对其精度要求进行自主研究，便于实验室开展日常分析，在6个实验室使用不同类型的仪器，对金装饰合金中4-6个等级的20种元素进行了重复检测。经数据统计，得出了LA-ICP-MS测定金装饰合金中多元素含量的精密度要求。结果表明，在重复性/再现性条件下，在95%置信区间内获得的两个独立试验结果的差异均不超过相应浓度范围内的重复性和再现性极限。

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Evaluation and analysis of collaborative experiment for determination of multi-element contents in gold adornment alloys by LA-ICP-MS

In the process of formulating the standard for the determination of multi-element content in gold alloy jewelry by LA-ICP-MS, in order to conduct independent research on its precision requirements and facilitate the laboratory to carry out daily analysis, 20 elements at 4-6 levels in gold adornment alloys were repeatedly tested in 6 laboratories using different types of instruments. The precision requirements for the determination of multi-element content in gold adornment alloys by LA-ICP-MS were obtained after data statistics. The results showed that under repeatability / reproducibility conditions, the difference between the two independent test results obtained in the 95% confidence interval didn’t exceed the repeatability limit and reproducibility limit in the corresponding concentration range.

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2nd International Conference on Digital Society and Intelligent Systems (DSInS 2022)

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