激光诱导击穿光谱法分析焊丝样品
Analysis of Welding Wire Samples by Laser-Induced Breakdown Spectroscopy
摘 要
采用激光诱导击穿光谱法(LIBS)对焊丝样品中的硅、锰、磷、硫、铬及镍元素进行测定.采用扫描电子显微镜和激光共聚焦显微镜观察了样品经激光脉冲烧蚀后的形貌,并考察了各元素的谱线强度与激光脉冲个数之间的关系,从而确定了预剥蚀激光脉冲个数.通过分析标准样品建立了单个元素的谱线强度与其质量分数之间的标准曲线,相关系数在0.989~0.999之间.本方法对焊丝样品的分析结果与经典的电感耦合等离子体原子发射光谱法和高频红外硫碳分析方法的测定结果相吻合,其精密度稍差于经典的分析方法.
焊丝
硅
锰
磷
硫
铬
镍
Laser-induced breakdown spectroscopy (LIBS)
Welding wire
Si
Mn
P
S
Cr
Ni
Abstract
The LIBS method was used to determine Si,Mn,P,S,Cr and Ni in welding wire samples. The ablation morphology of the samples was characterized by scanning electron microscopy (SEM) and confocal laser scanning microscopy. The relationship between the spectral intensity of each element and the number of laser pulses was studied to determine the number of pre-ablation laser pulses. The standard curves between spectral intensities and mass fraction of elements were established by analyzing standard samples,with the correlation coefficients between 0.989-0.999. The results obtained by this method were in good agreement with those by classical ICP-AES and the high frequency infrared carbon sulfur analysis,with slightly reduced precision.
中图分类号 O657.319
所属栏目 工作简报
基金项目 国家重大科学仪器设备开发专项(2011YQ14014710)
收稿日期 2014/2/27
修改稿日期
网络出版日期
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备注张勇(1977-),男,陕西汉中人,博士研究生,研究方向为原子光谱及质谱分析.
引用该论文: ZHANG Yong,ZHANG Qing,GAO Jun,JIA Yun-hai,LIU Ying. Analysis of Welding Wire Samples by Laser-Induced Breakdown Spectroscopy[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2015, 51(3): 331～335
张勇,张清,高军,贾云海,刘英. 激光诱导击穿光谱法分析焊丝样品[J]. 理化检验－化学分册, 2015, 51(3): 331～335
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参考文献
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【2】Noll R,STURM V V,AYDIN U,et al. Laser-induced breakdown spectroscopy-from research to industry,new frontiers for process control[J].Spectrochim Acta Part B,2008,63(10):1159-1166.
【3】DIZA D,HAHN D W,MOLINA A. Evaluation of laser-induced breakdown spectroscopy (LIBS) as a measurement technique for evaluation of total elemental concentration in soils[J].Appl Spectrosc,2012,66(1):99-106.
【4】SENESI G S,DELL′AGLIO M,GAUDIUSO R,et al. Heavy metal concentrations in soils as determined by laser-induced breakdown spectroscopy (LIBS),with special emphasis on chromium[J].Environ Res,2009,109(4):413-420.
【5】FORTES F J,CABLIN L M,LASERNA J J. The potential of laser-induced breakdown spectrometry for real time monitoring the laser cleaning of archaeometallurgical objects[J].Spectrochim Acta Part B,2008,63(10):1191-1197.
【6】OSTICIOLI I,WOLF M,ANGLOS D. An optimization of parameters for application of a laser-induced breakdown spectroscopy microprobe for the analysis of works of art[J].Appl Spectros,2008,62(11):1242-1249.
【7】SINGH V K,SINGH V,RAI N K,et al. Quantitative analysis of gallstones using laser-induced breakdown spectroscopy[J].Appl Optic,2008,47(31):38-47.
【8】SINGH V K,RAI N K,PANDHIJA S,et al. Investigation of common Indian edible salts suitable for kidney disease by laser induced breakdown spectroscopy[J].Lasers Med Sci,2009,24(6):917-924.
【9】LASUE J,WIENS R C,STEPINSKI T F,et al. Nonlinear mapping technique for data visualization and clustering assessment of LIBS data:application to Chem Cam data[J].Anal Bioanal Chem,2011,400(10):3247-3260.
【10】LANZA N L,WIENS R C,CLEGG S M,et al. Calibrating the ChemCam laser-induced breakdown spectroscopy instrument for carbonate minerals on Mars[J].Appl Opt,2010,49(13):211-217.
【11】FORTES F J,MOROS J,LUCENA P,et al. Laser-induced breakdown spectroscopy[J].Anal Chem,2013,85(2):640-669.
【12】张勇,贾云海,陈吉文,等,激光诱导击穿光谱在材料表面分析领域中的应用进展[J].光谱学与光谱分析,2012,32(6):1441-1446.
【13】WINEFORDNER J D,GORNUSHKIN I B,CORRELL T,et al. Comparing several atomic spectrometric methods to the super stars:special emphasis on laser induced breakdown spectrometry,LIBS,a future super star[J].J Anal At Spectrom,2004,19(9):1061-1083.
【14】NOLL R. Laser-induced breakdown spectroscopy[M]. Berlin:Springer,2012:387-399.
【15】VESTIN F,RANDELIUS M,BENGTSON A. Laser-induced breakdown spectroscopy applied on low-alloyed zinc samples[J].Spectrochim Acta Part B,2010,65:721-726.
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