Designation:G87−02(Reapproved2013)StandardPracticeforConductingMoistSO2Tests1ThisstandardisissuedunderthefixeddesignationG87;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoverstheapparatusandproceduretobeusedinconductingqualitativeassessmenttestsinaccordancewiththerequirementsofmaterialorproductspecificationsbymeansofspecimenexposuretocondensedmoisturecontainingsulfurdioxide.1.2Theexposureconditionsmaybevariedtosuitparticularrequirementsandthispracticeincludesprovisionsforuseofdifferentconcentrationsofsulfurdioxideandfortestseitherrunningcontinuouslyorincyclesofalternateexposuretothesulfurdioxidecontainingatmosphereandtotheambientatmosphere.1.3Thevariantofthetesttobeused,theexposureperiodrequired,thetypeoftestspecimen,andthecriteriaoffailurearenotprescribedbythispractice.Suchdetailsareprovidedinappropriatematerialandproductpurchasespecifications.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifanyassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Foraspecificwarningstatement,see4.3.2.ReferencedDocuments2.1ASTMStandards:2D714TestMethodforEvaluatingDegreeofBlisteringofPaintsD1193SpecificationforReagentWaterD1654TestMethodforEvaluationofPaintedorCoatedSpecimensSubjectedtoCorrosiveEnvironmentsG1PracticeforPreparing,Cleaning,andEvaluatingCorro-sionTestSpecimensG46GuideforExaminationandEvaluationofPittingCor-rosion3.SignificanceandUse3.1Moistaircontainingsulfurdioxidequicklyproduceseasilyvisiblecorrosiononmanymetalsinaformresemblingthatoccurringinindustrialenvironments.Itisthereforeatestmediumwellsuited...
