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Fast detection of trace elements in aluminum foil by fiber laser induced breakdown spectroscopy
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Bin-Bin XU1, Shu-Di ZHANG1, *, Zhou-Yi XU2, Zhi-Sen LIANG3, Fang-Fang CHEN1, Gui-Hong WANG1
Journal of Food Safety & Quality | 2025, 16(14) : 97 - 104
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Journal of Food Safety & Quality | 2025, 16(14): 97-104
• Special Topic: Non-destructive Detection Technology in Food •
Fast detection of trace elements in aluminum foil by fiber laser induced breakdown spectroscopy
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Bin-Bin XU1, Shu-Di ZHANG1, *, Zhou-Yi XU2, Zhi-Sen LIANG3, Fang-Fang CHEN1, Gui-Hong WANG1
Affiliations
  • 1 Engineering Research Center of Natural Cosmeceuticals College of Fujian Province, Xiamen Medical College, Xiamen 361023, China
  • 2 Peng-tung Sah Institute of Micro-Nano Science and Technology, Xiamen University, Xiamen 361102, China
  • 3 Guangzhou Inspection and Testing Certification Group Company Limited, Guangzhou 511447, China
Published: 2025-07-25 doi: 10.19812/j.cnki.jfsq11-5956/ts.20250331007
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Objective To establish a safety, rapid, cost-effective and reliable analytical method for trace elements detection in aluminum foil based on fiber laser induced breakdown spectroscopy. Methods Using standards to evaluate analytical sensitivity and limit of detection of fiber laser induced breakdown spectroscopy after optimization of laser pulse width, pulse energy, repetition rate and baseline-correction, and the optimized method was applied to analyze trace elements in aluminum foil samples. Results Calibration curves for most elements achieved regression coefficients up to 0.99. Detection sensitivity and limit of detection followed the descending order of Mn>Cr>Cu>Ti>Mg>Fe>Zn>Si, and the average relative error of leave-one-out cross validation of all the elements was 14.45%. The detection results of 8 kinds of trace elements in 27 kinds of aluminum foil samples showed that Fe and Si were frequently detected, while Cu and Ti elements were rarely detected and Cr, Mg, Mn and Zn elements were not detected. Conclusion This method requires no sample preparation, offers rapid analysis speed, and enables simultaneous multi-element detection with high sensitivity, which promisingly makes it a reliable approach for rapid determination of trace elements in aluminum foil.

fiber laser  /  laser induced breakdown spectroscopy  /  aluminum foil  /  fast detection  /  trace elements
Bin-Bin XU, Shu-Di ZHANG, Zhou-Yi XU, Zhi-Sen LIANG, Fang-Fang CHEN, Gui-Hong WANG. Fast detection of trace elements in aluminum foil by fiber laser induced breakdown spectroscopy[J]. Journal of Food Safety & Quality, 2025 , 16 (14) : 97 -104 . DOI: 10.19812/j.cnki.jfsq11-5956/ts.20250331007
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Year 2025 volume 16 Issue 14
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doi: 10.19812/j.cnki.jfsq11-5956/ts.20250331007
  • Receive Date：2025-03-31
  • Online Date：2026-01-07
  • Published：2025-07-25
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  • Received：2025-03-31
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Affiliations
    1 Engineering Research Center of Natural Cosmeceuticals College of Fujian Province, Xiamen Medical College, Xiamen 361023, China
    2 Peng-tung Sah Institute of Micro-Nano Science and Technology, Xiamen University, Xiamen 361102, China
    3 Guangzhou Inspection and Testing Certification Group Company Limited, Guangzhou 511447, China
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https://castjournals.cast.org.cn/joweb/spaq/EN/10.19812/j.cnki.jfsq11-5956/ts.20250331007
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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