Selenium Quantification in Soil by LIBS

doi:10.3390/physics8010009

2026-01-16

PRE

Alexandra V. Rogachevskaya

DOI：10.3390/physics8010009

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摘要

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激光诱导击穿光谱法（LIBS），作为一种快速分析技术，首次应用于本研究中测定土壤中的硒。现代农业需要元素分析方法对土壤中的微量元素含量进行连续自动在线控制。然而，迄今为止，硒尚未通过LIBS在土壤中进行定量测定。本研究采用了不同的样品制备技术（松散土壤粉末、粘在胶带上的土壤和压片土壤）进行土壤中硒的LIBS测定。由于土壤中的次要和主要成分（Fe、Si、Zn、Al、Sb）的谱线干扰，硒的分析线选择具有挑战性，但Se I 196.09 nm谱线具有最低的谱线干扰。本研究采用LIBS实现了土壤中硒的检测限为3 mg/kg。研究发现，通过适当的数据平均，粘在胶带上的土壤样品和松散土壤粉末样品的分析性能与压片样品相当。

Keyword:

laser-induced breakdown spectroscopy (LIBS)

LIBS applications

selenium (Se)

soil analysis

selenium in soil

期刊

Physics

IF:

1.8

论文数:

被引数:

机构

russian academy of sciences

学者数:

9.1W

论文数: 6.0W

被引数: 60

prokhorov general physics institute of the russian academy of sciences

学者数:

186

论文数: 65

被引数: 0

Dokuchaev Soil Science Institute

学者数:

239

论文数: 131

被引数: 0

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