ASTM_E_1659_-_12.pdf

Designation:E165912Standard Test Methods forCoating Mass and Chemical Analysis of Zinc-Nickel AlloyElectrolytically Coated on Steel Sheet1This standard is issued under the fixed designation E1659;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 These test methods cover independently the chemicalanalysis of each surface of zinc-nickel alloy electrolyticallycoated on steel sheet.The coatings have chemical composi-tions within the following limits:AnalyteConcentration RangeCoating mass0.0 to 80 g/m2Nickel7.0 to 17.0%1.2 These test methods are in the following sections:SectionsCoating mass,by the Weigh-Strip-Weigh Method(20.0 to 45.0 g/m2)10-20Nickel by the Atomic Absorption Method(11.0 to 13.5%of Coating mass Ranging from 20 to 45 g/m2)21-311.3 The values stated in SI units are to be regarded asstandard.In some cases,exceptions allowed in Practice E380are also used.1.4 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:2A917 Specification for Steel Sheet,Coated by the Electro-lytic Process for Applications Requiring Designation ofthe Coating Mass on Each Surface(General Require-ments)A918 Specification for Steel Sheet,Zinc-Nickel AlloyCoated by the Electrolytic Process for Applications Re-quiring Designation of the Coating Mass on Each SurfaceD1193 Specification for Reagent WaterE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE50 Practices for Apparatus,Reagents,and Safety Consid-erations for Chemical Analysis of Metals,Ores,andRelated MaterialsE135 Terminology Relating to Analytical Chemistry forMetals,Ores,and Related MaterialsE173 Practice for Conducting Interlaboratory Studies ofMethods for Chemical Analysis of Metals(Withdrawn1998)3E380 Practice for Use of the International System of Units(SI)(the Modernized Metric System)(Withdrawn 1997)3E663 Practice for Flame Atomic Absorption Analysis(With-drawn 1997)3E882 Guide for Accountability and Quality Control in theChemical Analysis LaboratoryE1024 Guide for Chemical Analysis of Metals and MetalBearing Ores by Flame Atomic Absorption Spectropho-tometry(Withdrawn 2004)3E1452 Practice for Preparation of Calibration Solutions forSpectrophotometric and for Spectroscopic Atomic Analy-sis(Withdrawn 2005)3E1601 Practice for Conducting an Interlaboratory Study toEvaluate the Performance of an Analytical Method3.Terminology3.1 For definitions of terms used in this test method,refer toTerminology E135.4.Significance and Use4.1 These test methods for the chemical analysis of zinc-nickel alloy coating on sheet steel are primarily intended asreferee methods to test such materials for compliance withcompositional specifications such as found in SpecificationA918,particularly those under the jurisdiction of ASTMCommittee A05 on Metallic-Coated Iron and Steel Products.Itis assumed that all who use these test methods will be trainedanalysts capable of performing common laboratory procedures1These test methods are under the jurisdiction of ASTM Committee E01 onAnalytical Chemistry for Metals,Ores,and Related Materials and are the directresponsibility of Subcommittee E01.05 on Cu,Pb,Zn,Cd,Sn,Be,their Alloys,andRelated Metals.Current edition approved April 1,2012.Published May 2012.Originallyapproved in 1995.Last previous edition approved in 2005 as E1659 05.DOI:10.1520/E1659-12.2For 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 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 skillfully and safely.It is expected that work will be performedin a properly equipped laboratory under appropriate qualitycontrol practices such as those described in Guide E882.4.2 These test methods must be applied twice,once to eachside of the specimen if coating mass and composition arerequired for both sides of a coated sheet.Two separatespecimens are required for this purpose.5.Apparatus,Reagents,and Instrumental Practices5.1 ApparatusSpecialized apparatus requirements arelisted in the apparatus section in each individual test method.5.2 Reagents:5.2.1 Purity of ReagentsUnless otherwise indicated,allreagents used in these test methods shall conform to theReagent Grade Specifications of the American Chemical Soci-ety.