Designation:D930–89(Reapproved1996)e1StandardTestMethodofTotalImmersionCorrosionTestofWater-SolubleAluminumCleaners1ThisstandardisissuedunderthefixeddesignationD930;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.e1NOTE—KeywordswereaddededitoriallyinFebruary1996.1.Scope1.1Thistestmethod2coversdeterminationofthecorrosiveeffectsofwater-solublealuminumcleaners(nonetchingtype)onaluminumoraluminumalloys,underconditionsoftotalimmersion,byquantitativemeasurementofweightchangeorbyqualitativevisualdeterminationofchange.Thetestisdesignedforthedeterminationofcorrosioncharacteristicsofthecleanerandnotfordeterminationofthelifeofthecleaner.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.MaterialSafetyDataSheetsareavailableforreagentsandmaterials.Reviewthemforhazardspriortousage.2.SignificanceandUse2.1Thistestmethodisusedtodistinguishwater-solublealuminumcleanersthatareexcessivelycorrosivetoaluminumoraluminumalloys.Theuserswilldefinethedegreeofcorrosionconsideredexcessiveintermsofweightlossperunitofsurfaceareaorintermsofchangesinappearance,orboth.3.Apparatus3.1TestTubes—Chemical-andheat-resistantglass3testtubes38mmindiameterby300mminlength,havingacapacityofabout300mL.Thetubesshallbechosensothatthespecimenswillremainfullyimmersedduringthetest,theratioofareaofimmersedmetaltothevolumeofsolutionwillbeasprescribedin6.1,andsufficientspacewillbeprovidedforfoamformationiffoamisformedbythecleaner.3.2Condensers—Allihnorothertypecondensershavingjacketsnotlessthan200mminlength.3.3Stoppers—Theconnectionbetweentesttubeandcon-denseroptionallymaybeeitherstandard-taperjointsorrubberstoppersprebo...