Designation:C1084−10StandardTestMethodforPortland-CementContentofHardenedHydraulic-CementConcrete1ThisstandardisissuedunderthefixeddesignationC1084;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationofportland-cementcontentofasampleofhardenedhydraulic-cementconcrete.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationpurposesonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.DisposalofsomeorallofthechemicalsusedinthismethodmayrequireadherencetoEPAorotherregulatoryguidelines.2.ReferencedDocuments2.1ASTMStandards:2C42/C42MTestMethodforObtainingandTestingDrilledCoresandSawedBeamsofConcreteC114TestMethodsforChemicalAnalysisofHydraulicCementC670PracticeforPreparingPrecisionandBiasStatementsforTestMethodsforConstructionMaterialsC702PracticeforReducingSamplesofAggregatetoTestingSizeC823PracticeforExaminationandSamplingofHardenedConcreteinConstructionsC856PracticeforPetrographicExaminationofHardenedConcreteD1193SpecificationforReagentWaterE11SpecificationforWovenWireTestSieveClothandTestSievesE832SpecificationforLaboratoryFilterPapers3.SignificanceandUse3.1Thistestmethodconsistsoftwoindependentproce-dures:anoxide-analysisprocedurethatconsistsoftwosub-proceduresandanextractionprocedure.Eachprocedurere-quiresasubstantialdegreeofchemicalskillandrelativelyelaboratechemicalinstrumentation.Exceptfortheinfluenceofknowninterferences,determinedcementcontentsarenormallyequalto,orslightlygreaterthan,actualvaluesexceptfortheMaleicAcidprocedurewhereresultscanalsobesignificantlylowwhenthe...
