Improved Carrier Buffer for AC Arc Direct Reading Atomic Emission Spectrometry Based on the SEM Technique
Powder solid sampling atomic emission spectrometry is a simple sample pretreatment method with high sensitivity, low detection limit, and little environmental pollution. This method has been applied to the simultaneous analysis of trace Ag, B and Sn in geochemical samples. However, the serious matri...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
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Science Press, PR China
2018-05-01
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| Series: | Yankuang ceshi |
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| Online Access: | http://www.ykcs.ac.cn/en/article/doi/10.15898/j.cnki.11-2131/td.201710120163 |
| _version_ | 1797953764362027008 |
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| author | QIU Hong-xi ZHAO Gang LIU Jiu-fen LI Ke-yong LONG Zhi-wu LI Zhi-xiong XIANG Mao-bi LIU Wei-hong |
| author_facet | QIU Hong-xi ZHAO Gang LIU Jiu-fen LI Ke-yong LONG Zhi-wu LI Zhi-xiong XIANG Mao-bi LIU Wei-hong |
| author_sort | QIU Hong-xi |
| collection | DOAJ |
| description | Powder solid sampling atomic emission spectrometry is a simple sample pretreatment method with high sensitivity, low detection limit, and little environmental pollution. This method has been applied to the simultaneous analysis of trace Ag, B and Sn in geochemical samples. However, the serious matrix effect limits the application of this method. Based on the Scanning Electron Microscopy (SEM) technique, the differences in the composition of the reaction products at different times for specific formulations and different samples was compared. Combined with the evaporation curve to reverse the reaction process, a carrier buffer suitable for different types of geochemical samples was developed. In order to realize the improvement of the arc burning process, K2S2O7 and NaF were used as flux during preparing carrier buffer to catalytically decompose the matrix. Synergizing with PTFE and sedimentation S promotes rapid evaporation of analyzed elements in various forms. The formation of Al2O3-SiO2-CaO-BaO mutual melt lowers the Tammann temperature and can absorb matrix oxides in-situ, suppressing the interferences. Compared with the available method, the sensitivity increased by 1.2 times, and the precision, accuracy and detection limit are superior to a number of geochemical survey specifications. |
| first_indexed | 2024-04-10T23:08:21Z |
| format | Article |
| id | doaj.art-df65312b384b48dab1d3c8bd0112658d |
| institution | Directory Open Access Journal |
| issn | 0254-5357 |
| language | English |
| last_indexed | 2024-04-10T23:08:21Z |
| publishDate | 2018-05-01 |
| publisher | Science Press, PR China |
| record_format | Article |
| series | Yankuang ceshi |
| spelling | doaj.art-df65312b384b48dab1d3c8bd0112658d2023-01-13T10:10:29ZengScience Press, PR ChinaYankuang ceshi0254-53572018-05-0137328329110.15898/j.cnki.11-2131/td.201710120163ykcs-37-3-283Improved Carrier Buffer for AC Arc Direct Reading Atomic Emission Spectrometry Based on the SEM TechniqueQIU Hong-xi0ZHAO Gang1LIU Jiu-fen2LI Ke-yong3LONG Zhi-wu4LI Zhi-xiong5XIANG Mao-bi6LIU Wei-hong7No.9 Gold Geological Party, Chinese Armed Police Force, Haikou 571127, ChinaNo.10 Gold Geological Party, Chinese Armed Police Force, Kunming 650019, ChinaThe Gold command of Chinese Armed Police Force, Beijing 100064, ChinaNo.10 Gold Geological Party, Chinese Armed Police Force, Kunming 650019, ChinaNo.10 Gold Geological Party, Chinese Armed Police Force, Kunming 650019, ChinaNo.10 Gold Geological Party, Chinese Armed Police Force, Kunming 650019, ChinaNo.9 Gold Geological Party, Chinese Armed Police Force, Haikou 571127, ChinaNo.9 Gold Geological Party, Chinese Armed Police Force, Haikou 571127, ChinaPowder solid sampling atomic emission spectrometry is a simple sample pretreatment method with high sensitivity, low detection limit, and little environmental pollution. This method has been applied to the simultaneous analysis of trace Ag, B and Sn in geochemical samples. However, the serious matrix effect limits the application of this method. Based on the Scanning Electron Microscopy (SEM) technique, the differences in the composition of the reaction products at different times for specific formulations and different samples was compared. Combined with the evaporation curve to reverse the reaction process, a carrier buffer suitable for different types of geochemical samples was developed. In order to realize the improvement of the arc burning process, K2S2O7 and NaF were used as flux during preparing carrier buffer to catalytically decompose the matrix. Synergizing with PTFE and sedimentation S promotes rapid evaporation of analyzed elements in various forms. The formation of Al2O3-SiO2-CaO-BaO mutual melt lowers the Tammann temperature and can absorb matrix oxides in-situ, suppressing the interferences. Compared with the available method, the sensitivity increased by 1.2 times, and the precision, accuracy and detection limit are superior to a number of geochemical survey specifications.http://www.ykcs.ac.cn/en/article/doi/10.15898/j.cnki.11-2131/td.201710120163sem micro-analysis techniqueatomic emission spectrometrysolid sample introduction methodmatrix effectcarrier bufferthe process of tammann temperature |
| spellingShingle | QIU Hong-xi ZHAO Gang LIU Jiu-fen LI Ke-yong LONG Zhi-wu LI Zhi-xiong XIANG Mao-bi LIU Wei-hong Improved Carrier Buffer for AC Arc Direct Reading Atomic Emission Spectrometry Based on the SEM Technique Yankuang ceshi sem micro-analysis technique atomic emission spectrometry solid sample introduction method matrix effect carrier buffer the process of tammann temperature |
| title | Improved Carrier Buffer for AC Arc Direct Reading Atomic Emission Spectrometry Based on the SEM Technique |
| title_full | Improved Carrier Buffer for AC Arc Direct Reading Atomic Emission Spectrometry Based on the SEM Technique |
| title_fullStr | Improved Carrier Buffer for AC Arc Direct Reading Atomic Emission Spectrometry Based on the SEM Technique |
| title_full_unstemmed | Improved Carrier Buffer for AC Arc Direct Reading Atomic Emission Spectrometry Based on the SEM Technique |
| title_short | Improved Carrier Buffer for AC Arc Direct Reading Atomic Emission Spectrometry Based on the SEM Technique |
| title_sort | improved carrier buffer for ac arc direct reading atomic emission spectrometry based on the sem technique |
| topic | sem micro-analysis technique atomic emission spectrometry solid sample introduction method matrix effect carrier buffer the process of tammann temperature |
| url | http://www.ykcs.ac.cn/en/article/doi/10.15898/j.cnki.11-2131/td.201710120163 |
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