激光诱导等离子体光谱法作为一种新兴的元素成份分析方法近年受到广泛关注,采用这种方法可以快速对物体进行元素成分的定量分析.在实验中用激光诱导等离子体光谱法(LIPS)来测量碳钢中的碳含量.将Nd:YAG激光器发射的激光聚焦到样品表面产生等离子体,选择等离子体发射光谱中的193.09 nm碳谱线进行分析.得到固态碳钢样品碳含量的定标曲线,检测限为460 ppm.这个结果说明LIPS方法可以用于钢铁中元素成份的直接定量测量.
参考文献
| [1] | Aragón C,Aguilera J A.Characterization of laser induced plasmas by optical emission spectroscopy:A review of experiments and methods[J].Spectrochimica Acta Part B,2008,63(9):893-916. |
| [2] | Song Dongting,Qi Hongxing,Shu Rong.Quantitative analysis of heavy metal in soil by laser-induced breakdown spectroscopy[J].Science Technology and Engineering,2008,8(15):4070-4077 (in Chinese). |
| [3] | Laszlo P,Volker S,Reinhard N.Liquid steel analysis with laser-induced breakdown spectrometry in the vacuum ultraviolet[J].Appl.Opt.,2003,42(30):6199-6204. |
| [4] | Li Jing,Zhai Chao,Zhang Shiding,et al.Determination of minor elements in stainless steel by laser-induced plasma spectroscopy (LIPS)[J].Spectroscopy and Spectral Analysis(光谱学与光谱分析),2008,28(4):930-933 (in Chinese). |
| [5] | Rai A K,Yueh F Y,Singh J P.High temperature fiber optic laser-induced breakdown spectroscopy sensor for analysis of molten alloy constituents[J].Review of Scientific Instruments,2002,73(10):3589-3599. |
| [6] | Palanco S,Conesa S,Laserna J J.Analytical control of liquid steel in an induction melting furnace using a remote laser induced plasma spectrometer[J].J.Anal.At.Spectrom.,2004,19:462-467. |
| [7] | Pasquini C,Cortez J,Silva L M C,et al.Laser induced breakdown spectroscopy[J].J.Braz.Chem.Soc.,2007,18:463-512. |
| [8] | Ciucci A,Corsi M,Palleschi V,et al.New procedure for quantitative elemental analysis by laser-induced plasma spectroscopy[J].Appl.Spectr.,1999,53(8):960-964. |
| [9] | Mohamed W T Y.Improved LIBS limit of detection of Be,Mg,Si,Mn,Fe and Cu in aluminum alloy samples using a portable Echelle spectrometer with ICCD camera[J].Opt.and Laser Technol.,2008,40:30-38. |
| [10] | NIST Atomic Spectra Database[OL].http://www.nist.gov/pml/data/asd.cfm. |
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