Designation:D929–85(Reapproved1997)StandardSpecificationforBorax1ThisstandardisissuedunderthefixeddesignationD929;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversmaterialsuitableforvariouswashing,cleaning,andscouringprocesses,withorwithoutsoapasconditionsdemand,andwhereamildlyalkalinematerialisdesired.1.2Thismaterialmaybehazardousifnotproperlyman-aged.1.3Precautionaryinformationforthesafeuse,storage,anddisposalofthismaterialshouldbepreliminarilyobtainedfromsuppliersandothers.1.4Incaseofpersonalaccidentwiththismaterial,applyappropriatefirstaid;telephonethenearestPoisonControlCenterforassistance,andgetmedicalattentionimmediately.2.ReferencedDocuments2.1ASTMStandards:D501TestMethodsofSamplingandChemicalAnalysisofAlkalineDetergents23.OrderingInformation3.1Unlessotherwisespecifiedinthecontract,boraxshallbepurchasedbynetweightaspackedattheplaceofmanufacture.4.ChemicalComposition4.1Borax(sodiumtetraborate,Na2B4O7·10H2O)asre-ceivedshallconformtothefollowingrequirementsastochemicalcomposition:Na2B4O7,min,%52.5ExcessaciditynoneExcessalkalinityasNa2O,max,%0.2Matterinsolubleinwater,max,%0.1Sievetestasspecified5.GeneralRequirements5.1Borax(sodiumtetraborate)shallbeawhitecrystallinepowderorcolorlesstransparentcrystalscorrespondingap-proximatelytotheformulaNa2B4O7·10H2O.6.SamplingandAnalysis6.1Thematerialshallbesampledandanalyzedinaccor-dancewithTestMethodsD501.TheAmericanSocietyforTestingandMaterialstakesnopositionrespectingthevalidityofanypatentrightsassertedinconnectionwithanyitemmentionedinthisstandard.Usersofthisstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtheriskofinfringementofsuchrights,areentirelytheirownresponsibility.Thisstandardissubjecttorevisionatanytimebytheresponsibletechnicalcommitteea...
