Designation:A630−16a´1StandardTestMethodsforDeterminationofTinCoatingWeightsforElectrolyticTinPlate1ThisstandardisissuedunderthefixeddesignationA630;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.ε1NOTE—ASummaryofChangeswasaddededitoriallyinJanuary2017.INTRODUCTIONFourtestmethodsfordeterminationoftincoatingweightsaredescribed.Thesearetypicalmethodsandrepresentthosemostcommonlyusedinthetinplateindustry.PublicationofthesetestmethodsisnotintendedtoprecludetheuseofanyothermethodssuchasX-rayfluorescencemeasurementsystemsforcontrolpurposesbytheconsumerorsupplier.However,incaseofdispute,therefereemethodistobeusedtodetermineconformancetoSpecificationA624/A624MandSpecificationA626/A626M.Samplingproceduresfortincoating-weighttestingandapplicablestandardsforthespecificclassdesignationareoutlinedinSpecificationA624/A624MandSpecificationA626/A626M.1.Scope*1.1Thesetestmethodsincludefourmethodsforthedeter-minationoftincoatingweightsforelectrolytictinplateasfollows:TestMethodSectionsA—BendixTestMethod3to9B—Constant-Current,ElectrolyticTestMethod(RefereeMethod)10to17C—Sellar’sTestMethod18to27D—TitrationTestMethod28to361.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2A624/A624MSpecificationforTinMillProducts,Electro-lyticTinPlate,SingleReducedA626/A626MSpecificationforTinMillProducts,Ele...
