1、Designation:D518422Standard Test Methods forDetermination of Aluminum and Silicon in Fuel Oils byAshing,Fusion,Inductively Coupled Plasma AtomicEmission Spectrometry,and Atomic AbsorptionSpectrometry1This standard is issued under the fixed designation D5184;the number immediately following the desig
2、nation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 These test methods cover the determin
3、ation of alumi-num and silicon in fuel oils at concentrations between 5 mg kgand 150 mgkg for aluminum and 10 mg kg and 250 mg kg forsilicon.1.2 Test Method AInductively coupled plasma atomicemission spectrometry is used in this test method to quantita-tively determine aluminum and silicon.1.3 Test
4、Method BFlame atomic absorption spectrometryis used in this test method to quantitatively determine alumi-num and silicon.1.4 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.5 This standard does not purport to address all of th
5、esafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.Specific warning statements are given in Sections 7.6,10.1,
6、and 11.5.1.6 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBar
7、riers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D1193 Specification for Reagent WaterD4057 Practice for Manual Sampling of Petroleum andPetroleum ProductsD4175 Terminology Relating to Petroleum Products,LiquidFuels,and LubricantsD4177 Practice for Automatic Sampling of Petrole
8、um andPetroleum ProductsD6299 Practice for Applying Statistical Quality Assuranceand Control Charting Techniques to Evaluate AnalyticalMeasurement System PerformanceD6792 Practice for Quality Management Systems in Petro-leum Products,Liquid Fuels,and Lubricants TestingLaboratoriesD7260 Practice for
9、Optimization,Calibration,and Valida-tion of Inductively Coupled Plasma-Atomic EmissionSpectrometry(ICP-AES)for Elemental Analysis of Petro-leum Products and LubricantsD7740 Practice for Optimization,Calibration,and Valida-tion of Atomic Absorption Spectrometry for Metal Analy-sis of Petroleum Produc
10、ts and Lubricants3.Terminology3.1 Definitions:3.1.1 For definitions of terms used in this test method,referto Terminology D4175.3.2 Definitions of Terms Specific to This Standard:3.2.1 calibration,nthe process by which the relationshipbetween signal intensity and elemental concentration is deter-min
11、ed for a specific element analysis.1These test methods are under the jurisdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricants and are the direct responsibilityof Subcommittee D02.03 on Elemental Analysis.Current edition approved Oct.1,2022.Published October 2022.Originally
12、approved in 1991.Last previous edition approved in 2017 as D5184 12(2017).DOI:10.1520/D5184-22.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Sum
13、mary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles
14、 on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.13.2.2 check standard,nin calibration,an artifact measuredperiodically,the results o
15、f which typically are plotted on acontrol chart to evaluate the measurement process.4.Summary of Test Methods4.1 A weighed quantity of homogenized sample is heated ina clean platinum dish,the combustible material is removed byburning and the carbon finally removed by heating in a mufflefurnace at a
16、temperature of 550 C 6 25 C.The residue isfused with a lithium tetraborate/lithium fluoride flux.The fusedmixture is digested in a solution of tartaric acid and hydrochlo-ric acid and diluted to volume with water.The resultingsolution is aspirated into an inductively-coupled plasma andthe emission intensities of aluminum and silicon lines aremeasured.Standard calibration solutions are also aspirated andaluminum and silicon intensities are measured for comparison.Alternatively,the resulting solut
