Designation:C1524−02a(Reapproved2010)StandardTestMethodforWater-ExtractableChlorideinAggregate(SoxhletMethod)1ThisstandardisissuedunderthefixeddesignationC1524;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodprovidesproceduresforsamplingandanalysisofaggregateforwater-extractablechlorideusingaSoxhletextractor.NOTE1—Thistestmethodistobeusedwhensignificantlyhighchloridecontenthasbeenfoundinaggregates,concretes,ormortars.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C114TestMethodsforChemicalAnalysisofHydraulicCementC670PracticeforPreparingPrecisionandBiasStatementsforTestMethodsforConstructionMaterialsC1152/C1152MTestMethodforAcid-SolubleChlorideinMortarandConcreteC1218/C1218MTestMethodforWater-SolubleChlorideinMortarandConcreteD75PracticeforSamplingAggregatesD1193SpecificationforReagentWaterE11SpecificationforWovenWireTestSieveClothandTestSieves2.2AmericanConcreteInstituteStandard:ACI222.1–96ProvisionalStandardTestMethodforWater-SolubleChlorideAvailableforCorrosionofEmbeddedSteelinMortarandConcreteUsingtheSoxhletExtractor33.SignificanceandUse3.1Water-extractablechloride,whenpresentinsufficientamount,hasapotentialtoinitiateoracceleratecorrosionofmetals,suchassteel,embeddedinorcontactingacementitioussystem,suchasmortar,grout,orconcrete.Thistestmethodisapplicablewhenaggregatescontainahighbackgroundofnaturallyoccurringchloride(seeACI222.1–96).TestMethodC1152/C1152Mdeterminesacid-solublechlorideandTestMet...
