【英文标准名称】:StandardTestMethodforColorofLiquidsUsingTristimulusColorimetry
【原文标准名称】:用三色激励比色法测试液体色度的标准试验方法
【标准号】:ASTMD5386-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D16.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:比色法;烃类;试验
【英文主题词】:APHA;Hazen;hydrocarbons;instrumentalcolormeasurement;Pt-Co;platinum-cobalt;tristimulus
【摘要】:Themajorobjectiveofthevisualplatinum-cobalt(Pt-Co)methodofcolormeasurement,asdefinedinTestMethodD1209,istoratespecificmaterialsforyellowness.Thisyellownessisfrequentlytheresultoftheundesirabletendencyofliquidhydrocarbonstoabsorbbluelightduetocontaminationinprocessing,storageorshipping.Clearliquidscanberatedforlightabsorbingyellowishorbrownishcontaminants,usingscalesthatsimulatethelong-establishedvisual-comparisonmethodjustcited.Whereneeded,dimensionsofcolorcanbereportedtoidentifyanypinknessorgreenness(onedimension),orgrayness.1.1ThistestmethodcoversaninstrumentalmethodfortheCIE(CommissionInternationaldel'Eclairage)tristimulusmeasurementofthecolorofnear-clearliquidsamples.Themeasurementisconvertedtocolorratingsintheplatinum-cobaltsystem.1.2Thistestmethodhasbeenfoundapplicabletothecolormeasurementofclear,liquidsamples,freeofhaze,withnominalplatinumcobaltcolorvaluesinthe0to100range.Itisapplicabletononfluorescentliquidswithlightabsorptioncharacteristicssimilartothoseoftheplatinumcobaltcolorstandardsolutions.TestMethodsD1686,D2108,andE450dealwiththevisualandinstrumentalmeasurementofnear-clearliquids.1.3Indeterminingtheconformanceofthetestresultsusingthismethodtoapplicablespecifications,resultsshallberoundedinaccordancewiththeroundingoffmethodsofPracticeE29.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection.
【中国标准分类号】:G04
【国际标准分类号】:71_080_01
【页数】:4P.;A4
【正文语种】: