Designation:D6362−98(Reapproved2013)StandardPracticeforCertificatesofReferenceMaterialsforWaterAnalysis1ThisstandardisissuedunderthefixeddesignationD6362;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThispracticecoverstheinformationthatmustbeprovidedoncertificatesofanalysisofreferencematerialsdesignatedtosupportASTMmethods.Itprovidesendusersofthesematerialswithadefinedsetofdatathatisrequiredtobeonacertificateofanalysisandprovidesinformationtoassisttheenduserinevaluatingtheindependenceofthematerial.Similarly,itprovidesthesuppliersofreferencematerialswithaconsistentformatforthepresentationofcertificationdata.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1129TerminologyRelatingtoWaterE826PracticeforTestingHomogeneityofaMetalLotorBatchinSolidFormbySparkAtomicEmissionSpec-trometry2.2ISOStandards3ISOGuide30TermsanddefinitionsusedinconnectionwithreferencematerialsISOGuide31ContentsofcertificatesofreferencematerialsISOGuide35Certificationofreferencematerials—GeneralandstatisticalprinciplesISO/REMCON2803.Terminology3.1Definitions—Fordefinitionsoftermsusedinthispractice,refertoTerminologyD1129andISOGuide303.2DefinitionsofTermsSpecifictoThisStandard:3.2.1preparedvalue,n—thebestestimateoftheconcentra-tionofagivenanalytebaseduponthepurityofrawmaterialsandthemethodofpreparationofthematerial.4.SignificanceandUse4.1Thispracticeisdesignedtoassistsuppliersandusersofreferencematerialsbyidentifyingtheinformationnecessaryonthecer...
