Quantitative analysis of metal elements in crude oil by means of laser induced breakdown spectroscopy
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摘要: 为了对原油中金属元素含量进行分析,利用激光诱导击穿光谱技术分别采用Na光谱的积分强度、峰值强度作定标曲线对高温灼烧后的原油中的Na进行了定量分析。实验中选取Na Ⅰ 588.995nm,Mg Ⅰ 383.230nm,Al Ⅰ 308.215nm,K Ⅰ 404.414nm,Ca Ⅰ 364.441nm,Fe Ⅱ 273.955nm作为分析线对原油样品灼烧后的6种元素进行分析,测得其质量分数分别为0.0592,0.0029,0.0212,0.0019,0.0072,0.1686,并得出了定标曲线的线性相关系数及检出限。结果表明,选用积分强度作定标曲线效果更好;激光诱导击穿光谱技术测量结果与X射线荧光光谱技术对Na的测量结果相对误差为6.28%;激光诱导击穿光谱技术可应用于原油中金属元素含量的测量。Abstract: In order to analyze the content of metal elements in crude oil, Na in crude oil after thermal process was quantitatively analyzed by calibration curve for integrated intensity and peak intensity of spectrum respectively by using the technology of laser-induced breakdown spectroscopy. 6 elements were quantitatively analyzed on the basis of Na Ⅰ 588.995nm, Mg Ⅰ 383.230nm, Al Ⅰ 308.215nm, K Ⅰ 404.414nm, Ca Ⅰ 364.441nm, Fe Ⅱ 273.955nm in the experiment. The mass fraction of above 6 elements were 0.0592,0.0029,0.0212,0.0019,0.0072,0.1686 according to calibration curves for element content and integrated intensity, and the linear correlation coefficient and the detection limit of calibration curves were also calculated. It turned out that it is better to choose the integrated intensity for calibration curve. Na is also quantitatively analyzed by using the technology of X-ray fluorescence spectroscope. Compared with the measurement results of laser-induced breakdown spectroscopy and X-ray fluorescence spectroscopy, the relative error is 6.28%. The technology of laser-induced breakdown spectroscopy could be applied to measure the content of metal elements in crude oil.
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[1] YUAN L F, WU B L, YE J M, et al. IICP-AES determination of 20 elements in crude oil with direct sample introduction after dilution[J]. Physical and Chemical Testing-Chemical, 2012, 48(7): 789-792(in Chinese).
[2] MA L B, GE Y. Determination of trace metal elements in solid bitumen with microwave digestion by inductively coupled plasma-atomic emission spectrometry[J]. Rock and Mineral Analysis, 2013, 32(3): 441-444(in Chinese).
[3] YANG D W, SHEN Ch Y. Naphthalene phase spectrophotometric determination of microiron in crude oil[J]. Metallurgical Analysis, 2009, 29(9): 78-80(in Chinese).
[4] WU B L, WANG S Q, WANG Q, et al. XRFS determination of aluminum, silicon, sulfur and vanadium in fuel oil[J]. Physical and Chemical Testing-Chemical, 2008, 44(10): 913-916(in Chinese).
[5] QIAN M, XING L Ch, WANG J M. Determination of arsenic in crude-oil by GFAAS[J]. Petrochemical Industry Application, 2009, 28(7): 71-73(in Chinese).
[6] LI L X, ZHANG Y. Determination of trace metal elements in crude oil by plasma emission spectroscopy[J]. Refining and Chemical Industry, 2010, 21(4):45-46(in Chinese).
[7] SUO J L, WU Sh, ZHANG J L, et al. Determination of metal elements in pipeline transportation crude oil by crucible ashing and ICP-AES [J]. Petroleum Processing and Petro-chemicals, 2013, 44(4):100-103(in Chinese).
[8] WANG Y, ZHAO N J, MA M J, et al. Chromium detection in water enriched with graphite based on laser-induced breakdown spectroscopy[J].Laser Technology, 2013, 37(6): 808-811(in Chinese).
[9] LIU X Y, WANG ZH Y, HAO L Q, et al. Application of laser induced breakdown spectroscopy technology in biomedicine field[J]. Laser Technology, 2008, 32(2):134-136(in Chinese).
[10] ZHAO X X, LUO W F, ZHANG X W, et al. Measurement of brass plasma parameters based on laser-induced breakdown spectroscopy[J]. Laser Technology, 2013, 37(1): 93-96(in Chinese).
[11] RAMIL A, LOPEZ A J, YANEZ A. Application of artificial neural networks for the rapid classification of archaeological ceramics by means of laser induced breakdown spectroscopy (LIBS) [J]. Applied Physics, 2008, A92(1):197-202.
[12] LANZA L N, WIENS R C, CLEGG S M, et al. Calibrating the c ChemCam laser-induced breakdown spectroscopy instrument for carbonate minerals on mars[J]. Applied Optics, 2010, 49(13): C211-C217.
[13] BOL'SHAKOV A A, YOO J H, LIU Ch Y, et al. Laser-induced breakdown spectroscopy in industrial and security applications [J]. Applied Optics, 2010, 49(13):C132-C142.
[14] LIN P X, CHEN D H, JIE Y W, et al. ICP-AES determination of trace amount of metal elements in crude oil with microwave assisted ashing of sample[J]. Physical and Chemical Testing-Chemical, 2011, 47(1):706-710(in Chinese).
[15] XU Y, YAO M Y, LIU M H. Determination of Na in milk samples by laser induced breakdown spectroscopy[J]. Journal of Optoelectronics Laser, 2013, 25(4): 1032-1036 (in Chinese).
[16] XIE Ch L. Study of the spectral data processing in laser induced breakdown spectroscopy analysis and it's application in elemental analysis of coal[D]. Wuhan: Huazhong University of Science and Technology, 2009:81(in Chinese).
[17] YAO Sh Ch, LU J D, PAN Sh H, et al. Analysis of unburned carbon in coal fly ash by using laser-induced breakdown spectroscopy in deep UV [J]. Chinese Journal of Lasers, 2010, 37(4):1114-1117(in Chinese).
[18] HU Zh Y, ZHANG L, YIN W B, et al. Application of laser-induced breakdown spectroscopy to coal-fired power plants and soil contaminants on-line monitoring [J]. Journal of Atmospheric and Environmental Optics, 2013, 8(1):26-35(in Chinese).
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