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2009•Journal of Anhui Normal UniversityRequires access

An Experimental Investigation of the Soil By Laser Induced Breakdown Spectroscopy

Zhifeng Cui

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Abstract

Laser induced breakdown spectroscopy(LIBS) spectra of the soil were measured in the visible spectral region under atmospheric environment.The main and minor trace elements of the soil sample were identified by the analysis of the LIBS spectrum.The experimental results show that the element concentration of Al,Fe,Ti,K,Na,Mg,Ca were high,and the spectral lines of Fe,Ti,Al were rich and strong in intensity.For the elements such as Ba,Cr, Cu,Li,Mn,Pb,and Sr with lower concentration,few weak lines were observed.The LIBS calibration curves of some trace metallic elements were obtained by measuring the LIBS spectral line intensities of a series of national standards soil sample,thus the LIBS detection limit(ug/g) of many trace elements as Ba(3.4),Cr(3.85),Cu(70.2),Li(1.0),Mn(52.2),Pb(21),Sr(11.4),Ti(35) were obtained.

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What this paper is about

Laser induced breakdown spectroscopy(LIBS) spectra of the soil were measured in the visible spectral region under atmospheric environment.The main and minor trace elements of the soil sample were identified by the analysis of the LIBS spectrum.The experimental results show that the element concentration of Al,Fe,Ti,K,Na,Mg,Ca were high,and the spectral lines of Fe,Ti,Al were rich and strong in intensity.For the elements such as Ba,Cr, Cu,Li,Mn,Pb,and Sr with lower concentration,few weak lines were observed.The LIBS calibration curves of some trace metallic elements were obtained by measuring the LIBS spectral line intensities of a series of national standards soil sample,thus the LIBS detection limit(ug/g) of many trace elements as Ba(3.4),Cr(3.85),Cu(70.2),Li(1.0),Mn(52.2),Pb(21),Sr(11.4),Ti(35) were obtained.

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Available abstract

Laser induced breakdown spectroscopy(LIBS) spectra of the soil were measured in the visible spectral region under atmospheric environment.The main and minor trace elements of the soil sample were identified by the analysis of the LIBS spectrum.The experimental results show that the element concentration of Al,Fe,Ti,K,Na,Mg,Ca were high,and the spectral lines of Fe,Ti,Al were rich and strong in intensity.For the elements such as Ba,Cr, Cu,Li,Mn,Pb,and Sr with lower concentration,few weak lines were observed.The LIBS calibration curves of some trace metallic elements were obtained by measuring the LIBS spectral line intensities of a series of national standards soil sample,thus the LIBS detection limit(ug/g) of many trace elements as Ba(3.4),Cr(3.85),Cu(70.2),Li(1.0),Mn(52.2),Pb(21),Sr(11.4),Ti(35) were obtained.

Key concepts: Laser-induced breakdown spectroscopy, Analytical Chemistry (journal), Spectroscopy, Spectral line, Materials science, Calibration curve, Detection limit, Trace element

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