Paper
15 March 2024 Determination of cadmium, copper, lead, platinum, antimony, tellurium in high content silver jewelry by laser ablation inductively coupled plasma mass spectrometry
Jiani Shen, Xuan Wang, Yong Zhu, Tingting Yang, Xihan Yang, Lansen Li, Junfa Deng, Wanjun Jiang, Xin Li
Author Affiliations +
Proceedings Volume 13079, Third International Conference on Testing Technology and Automation Engineering (TTAE 2023); 130790F (2024) https://doi.org/10.1117/12.3016024
Event: 3rd International Conference of Testing Technology and Automation Engineering (TTAE 2023), 2023, Xi-an, China
Abstract
The content of six impurity elements of cadmium, copper, lead, platinum, antimony and tellurium in high content silver was detected by laser ablation inductively coupled plasma mass spectrometry, which had the advantages of green, micro-loss, high efficiency and accuracy. In this paper, the key parameters of the energy density, the ablation spot, and the laser frequency are optimized. The optimal test conditions are: the energy density is 19.4 J/cm2, the laser spot is 60μm,and the laser frequency is 10 Hz. The external standard method and the relative sensitivity factor method were used to test the content of the six elements, and the results of the two methods were consistent. The results showed that the t values were less than 2.57, indicating that the two methods had good consistency. Therefore, in the absence of a suitable series of standard samples, the relative sensitivity method of single standard sample can be considered to test the content of cadmium, copper, lead, platinum, antimony and tellurium in high content silver.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
Jiani Shen, Xuan Wang, Yong Zhu, Tingting Yang, Xihan Yang, Lansen Li, Junfa Deng, Wanjun Jiang, and Xin Li "Determination of cadmium, copper, lead, platinum, antimony, tellurium in high content silver jewelry by laser ablation inductively coupled plasma mass spectrometry", Proc. SPIE 13079, Third International Conference on Testing Technology and Automation Engineering (TTAE 2023), 130790F (15 March 2024); https://doi.org/10.1117/12.3016024
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KEYWORDS
Silver

Laser ablation

Copper

Lead

Plasma

Signal intensity

Cadmium

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