Designation:E1456−08StandardSpecificationforCausticPotash;Solid(PotassiumHydroxide;Solid)1ThisstandardisissuedunderthefixeddesignationE1456;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecificationcoverstwogradesofsolidcausticpotash,85%and90%.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.3ReviewthecurrentMaterialsSafetyDataSheets(MSDS)fordetailedinformationconcerningtoxicity,firstaidprocedures,handlingandsafetyprecautions.1.4Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,Section6:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E291TestMethodsforChemicalAnalysisofCausticSodaandCausticPotash(SodiumHydroxideandPotassiumHydroxide)E300PracticeforSamplingIndustrialChemicals3.Classification3.1TypeI—Causticpotash,solidform,85%potassiumhydroxide.3.2TypeII—Causticpotash,solidform,90%potassiumhydroxide.4.ChemicalRequirements4.1Causticpotashshallconformtothechemicalrequire-mentslistedinTable1.5.Sampling5.1CausticpotashshallbesampledinaccordancewiththeappropriatesectionsofPracticeE300forsolidchemicals.6.TestMethods6.1Analyzecausticpotashinaccordancewiththeappli-cablesectionsofTestMethodsE291.7.Keywords7.1causticpotash;potassiumhydroxide;solid1ThisspecificationisunderthejurisdictionofASTMCommitteeE15onIndustrialandSpecialtyChemicalsandisthedirectresponsibilityofSubcommitteeE15.01onGeneralStandards.CurrenteditionapprovedApril1,2008.PublishedMay2008.Originallyapprovedin1992.Lastprevio...
