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《Chinese Journal of Analysis Laboratory》 2008-09
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Determination of vanadium,iron,nickel,silicon,aluminium,calcium,sodium,sulfur in fuel oil by steel liner PTFE vessel high pressure digestion-ICP-AES

JIN Xian-zhong1,2,WANG Qian2,WENG Dong-hai2,WANG Song-qing2,LIN Li2 and LIN Zhen-xing2(1.Department of Chemistry & the Ministry of Education Key Laboratory of Analytical Sciences,College of Chemistry and Chemical Engineering,Xiamen University,Xiamen 361005;2.Ningbo EntryExit Inspection and Quarantine Bureau,Ningbo 315012)  
Analytical Samples were prepared by supersonic treatment,and its homogeneity was tested by variance analysis.Samples were digested with nitric acid and hydrogen peroxide in steel liner PTFE vessels.Vanadium,iron,nickel,silicon,aluminium,calcium,sodium and sulfur in fuel oil were simultanously tested by ICP-AES according to the calibration curve of inorganic standard solution.The detection limits of above-mentioned elements were 0.4、 0.3、 1.4、 0.9、 1.0、 0.7、 0.8、 150 mg/kg,linear range of them were 1.3~500、 0.9~500、 4.1~500、 2.8~500、 3.0~500、 2.1~500、 2.4~500、 450~45000 mg/kg, respectively.RSDs were in the range of 0.1%~7.5%,and recoveries were between 96 percent and 107 percent.This method has been extended to analyze elements in other oil products.
【Fund】: 国家质检总局科研(2004IK009)项目资助
【CateGory Index】: TE622.1
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