Designation:D5386−16StandardTestMethodforColorofLiquidsUsingTristimulusColorimetry1ThisstandardisissuedunderthefixeddesignationD5386;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThistestmethodcoversaninstrumentalmethodfortheCIE(CommissionInternationaldel’Eclairage)tristimulusmeasurementofthecolorofnear-clearliquidsamples.Thetransmissionmeasurementvaluesareconvertedtothecolorscaleintheplatinum-cobalt(Pt-Co)system.1.2Thistestmethodhasbeenfoundapplicabletothecolormeasurementofclear,liquidsamples,freeofhaze,withnominalPt-Cocolorvaluesinthe0to100range.Itisapplicabletonon-fluorescentliquidswithlightabsorptioncharacteristicssimilartothoseofthePt-Cocolorstandardsolutions.1.3Thetristimuluscolorimetrymaybecalculatedfromspectralmeasurementsorbeobtaineddirectlyfromacolorim-eter.PracticeE1455providessomeguidanceoncolorimeters,whileTestMethodsD1686andD2108dealwiththevisualandinstrumentalmeasurementofnear-clearliquids.1.4Indeterminingtheconformanceofthetestresultsusingthismethodtoapplicablespecifications,resultsshallberoundedinaccordancewiththeroundingoffmethodsofPracticeE29.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection8.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterD1686TestMethodforColorofSolidAromaticHydrocar-bonsandRelatedMaterialsintheMoltenState(Platinum-CobaltScale)D2108TestMethodforColorofHalogenatedOrganicSolventsandTheirAdmixtures(Platinum-CobaltScale)D3437PracticeforSamplingandHandlingLiqu...
