ASTM_F_3139_-_15.pdf

Designation:F313915Standard Test Method forAnalysis of Tin-Based Solder Alloys for Minor and TraceElements Using Inductively Coupled Plasma AtomicEmission Spectrometry1This standard is issued under the fixed designation F3139;the number immediately following the designation 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.Scope1.1 This test method covers procedures for the analysis oftin-based solder alloys for minor and trace elements usinginductively-coupled plasma atomic emission spectrometry(ICP-AES)instrumentation.1.2 These test procedures were validated for the analytesand mass fractions listed below.ElementValidated Mass FractionRange,mg/kgLead115 to 965Cadmium25 to 60Mercury5 to 530Antimony85 to 1330Bismuth80 to 210Arsenic95 to 360Silver4000 to 42100Cobalt0.5 to 60Iron15 to 115Chromium0.5 to 1.5Copper3000 to 30600Indium25 to 115Nickel5 to 150Phosphorus10 to 110Selenium1 to 30Zinc2 to 160Aluminum1 to 31.3 The procedures appear in the following order:ProcedureSectionInternal Standardization8Calibration Solution Preparations9Preparation of Sample and Validation Solutions10Calibration11Analysis Procedure121.4 The values stated in SI units are to be regarded as thestandard.Any other values are for information only.1.5 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D1129 Terminology Relating to WaterE177 Practice for Use of the Terms Precision and Bias inASTM Test MethodsE416 Practice for Planning and Safe Operation of a Spec-trochemical Laboratory(Withdrawn 2005)3E691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test MethodE1479 Practice for Describing and Specifying Inductively-Coupled Plasma Atomic Emission Spectrometers3.Terminology3.1 DefinitionsFor definitions of other terms used in thistest method,refer to Terminology D1129.3.2 Acronyms:3.2.1 ACS,nAmerican Chemical Society3.2.2 ICP-AES,ninductively-coupled plasma atomicemission spectrometry3.2.3 PE,npolyethylene3.2.4 SI,nLe Systme International dUnits,Interna-tional System of Units3.3 Definitions of Terms Specific to This Standard:3.3.1 calibration blank,na volume of water containingthe same acid matrix as found in the calibration standards.3.3.2 calibration standards,na series of known standardsolutions used to calibrate an instrument.3.3.3 check standard,nstandard used to verify properinstrument calibration.1This test method is under the jurisdiction of ASTM Committee F40 onDeclarable Substances in Materials and is the direct responsibility of SubcommitteeF40.01 on Test Methods.Current edition approved May 1,2015.Published July 2015.DOI:10.1520/F3139-152For 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 Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.3.4 instrument linear range,nrange where instrumentresponse and accuracy remain within typically 5 to 10%ofknown values.3.3.5 internal standard,npure element(s)added in knownamount(s)to a solution to be used to improve instrumentaccuracy.3.3.6 reference material solution,nsolution standard withknown certified mass fraction(s),typically commercially avail-able.3.3.7 sample introduction system,nplasma torch,mixingchamber and nebulizer used to deliver solutions to the plasmafor analysis.3.3.8 validation sample,na solder alloy sample that hasbeen certified or well characterized for mass fractions ofanalytes present,and can be used to validate the method.4.Significance and Use4.1 Tin-based solder alloys are commonly used to manufac-ture electrical and electronic goods.The elements lead,cadmium,mercury,antimony and bismuth are often declarablesubstances in solder materials.This test method provides ameans of determining the listed declarable substances,as wellas other minor and trace constituents,in tin-based solder alloys.4.2 Two methods of dissolving tin-based solder alloys aregiven in this standard.The first method uses open-vesselhydrofluoric and nitric acid room temperature digestions;thesecond method employs closed-vessel nitric and hydrofluoricacid microwave digestions,both for use only with ICP-AESinstruments equipped with a hydrofluoric acid resistant sampleintroduction system.4.3 The method of preparing calibration solutions uses 1000mg/kg single element reference material solu