Designation:E1045−00(Reapproved2010)StandardSpecificationforPipet,SahliHemoglobin1ThisstandardisissuedunderthefixeddesignationE1045;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversreusablepipetscalibrated“tocontain”20cmmofwholebloodandusedforhemoglobindeterminations.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.2.ReferencedDocuments2.1ASTMStandards:2E920SpecificationforCommerciallyPackagedLaboratoryApparatusE921SpecificationforExportPackagedLaboratoryAppa-ratusE1133PracticeforPerformanceTestingofPackagedLabo-ratoryApparatusforUnitedStatesGovernmentProcure-mentsE1157SpecificationforSamplingandTestingofReusableLaboratoryGlassware3.Materials3.1Thepipetsshallbemadeofcommonspiritborewhitebacktubingorofclearglasswithawhitestripeappliedtotheoutersurfaceofthetubing.4.Design4.1Shape—Pipetsshallbestraightandofone-piececon-struction.Anycrosssectionofapipettakeninaplaneperpendiculartothelongitudinalaxisshouldbecircular.4.2DeliveryTips—Deliverytipsshallbemadewithagradualorconcavetapertoalengthof10to25mm.Thetipendshallbegroundandtaperedwithfineabrasive,orfire-polished.DimensionsofthedeliverytipshallbeasspecifiedinFig.1.4.3ThetopofthepipetshallbegroundtoataperorformedtoafunnelshapeaccordingtothedimensionsspecifiedinFig.1.5.Markings5.1GraduationLine—Thepipetshallhaveonegraduationlinelocated20cmmfromthepipettip.Thegraduationlineshallbelocatedontheclearportionofthetubingandshallextendatleasttwothirdsaroundthepipetandnotexceed0.4mminwidth.5.2VolumetricDesignation—Thepipetshallbemarked20CMMontheclearportionofthetubingwiththemarkingslocatedapproximately5mmabovethegraduationline.5.3Identification—Eachpipetshallbemarkedwiththemanufacturer’snameortrademarkonthewhitestripeportionofthe...
