zhpsЖурнал прикладной спектроскопииZhurnal Prikladnoii Spektroskopii0514-7506B. I. Stepanov Institute of Physics of the National Academy of Scienceszhps-20Research ArticleСтатьиАНАЛИЗ СОДЕРЖАНИЯ МАРГАНЦА В ПОЧВЕ С ПОМОЩЬЮ ЛАЗЕРНО-ИСКРОВОЙ ЭМИССИОННОЙ СПЕКТРОСКОПИИANALYSIS OF MANGANESE IN SOIL USING LASER-INDUCED BREAKDOWN SPECTROSCOPYYongchengJ. .YongchengJ. .noemail@neicon.ruJiangH. .JiangH. .noemail@neicon.ruBenchiJ. .BenchiJ. .noemail@neicon.ruDongL. .DongL. .dliang@ahu.edu.cnШкола электротехники и автоматизации, Университет Аньхой; Школа механики и автомобилестроения, Технологический университет ХэфэяSchool of Electric Engineering and Automation, Anhui University; School of Mechanical and Automotive Engineering, Hefei University of TechnologyШкола механики и автомобилестроения, Технологический университет ХэфэяSchool of Mechanical and Automotive Engineering, Hefei University of TechnologyШкола электроники и информационной инженерии, Университет АньхойSchool of Electronics & Information Engineering, Anhui University201710032020841120126Copyright © Yongcheng J..., Jiang H..., Benchi J..., Dong L..., 20202020Yongcheng J..., Jiang H..., Benchi J..., Dong L...Yongcheng J..., Jiang H..., Benchi J..., Dong L...Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://zhps.ejournal.by/jour/article/view/20

С помощью лазерно-искровой эмиссионной спектроскопии (ЛИЭС) измерены спектральные характеристики и проведен количественный анализ содержания марганца в почве, что представляет большой интерес для точного земледелия. Для проведения анализа образцы почвы спрессованы в виде таблеток. Для создания плазмы в воздухе при атмосферном давлении использован импульсный Nd:YAG-лазер. В этих условиях проанализированы временная эволюция спектральных характеристик и их зависимость от энергии лазерного импульса. Калибровочная кривая построена с помощью эталонных образцов песчаной почвы, взятых на местности. Для повышения точности анализа методом ЛИЭС использована кривая внутреннего стандарта. Полученные результаты показывают применимость метода ЛИЭС для анализа концентрации марганца в почве.

Laser-induced breakdown spectroscopy (LIBS) has been applied to measure spectral characteristics and to perform quantitative analysis of the concentration of manganese in soil, an issue of great concern for precision agriculture. For the analysis, soil samples were compressed into pellets and a pulsed Nd:YAG laser was employed to produce the plasma in air at atmospheric pressure. Using this approach, we analyzed the time evolution of spectral characteristics and their dependence on the laser pulse energy. A calibration curve was constructed using reference sandy soil samples collected from a farm. An internal standard curve was used to improve the accuracy of the LIBS metrology for soil analyses. The results of this analysis demonstrated the usefulness of this method for analyzing the concentration of manganese in soil.

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The authors declare that there are no conflicts of interest present.