Designation:E1273−88(Reapproved2013)StandardSpecificationforColorCodingofReusableLaboratoryPipets1ThisstandardisissuedunderthefixeddesignationE1273;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversasystemofcolorcodingforone-markpipetsforidentificationofnominalcapacities,andforgraduatedpipetsforidentificationofnominalcapacitiesandunitsofsub-division.1.2Thisspecificationappliestoone-markandgraduatedpipetsofthenominalcapacitieslistedinTable1andTable2,respectively.NOTE1—ManypipetsnotcoveredbyotherASTMstandardsareincludedinTable1andTable2,inorder,firstly,toensureuniformityofcolorcodingasfaraspossiblefornon-standardaswellasstandardpipetsand,secondly,toreservesuitablecodesforpossiblefuturestandardsforothertypesofpipet.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E1157SpecificationforSamplingandTestingofReusableLaboratoryGlassware3.SignificanceandUse3.1Thepurposeofthisspecificationistoensurethatifacolorcodeisusedonpipets,allmanufacturerswillusethesamecode;itisnotintendedasanencouragementofcolorcodingifthisisnotrequired.4.ColorProperties4.1Coding—Thecolorcodingusedonone-markpipetsshallbeinaccordancewithTable1,andgraduatedpipetsshallbeinaccordancewithTable2.4.2Variations—Variationsintheenamelsusedinthemeth-odsofapplicationappropriateforpipetsmadefromdifferenttypesofglassinevitablyresultinminorvariationsofcolor,anditisthereforenotappropriatetospecifycloselythesevencolorslistedinthetables.5.MarkingReq...
