Designation:E1617−09(Reapproved2014)´1StandardPracticeforReportingParticleSizeCharacterizationData1ThisstandardisissuedunderthefixeddesignationE1617;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—EditorialcorrectionsweremadethroughoutinApril2014.INTRODUCTIONCorrelationandcomparisonofparticlesizemeasurementdataareofgeneralimportancetoresearchers,processors,suppliers,vendors,andusersofparticulatematerials.Sincetherearenumerousmethodsanddevicesinuse,comparisonsofsizemeasurementdataaresubjecttoperceivedinconsistenciesthatmaybemuchreducedbytheuseofstandardizedreporting.Datageneratedbyanyonesizemeasurementmethodmaybeconsistentinmanyrespects,yetbetroublesometocorrelateduetovariancesindataprocessingandreportingformatsamongequipmentmanufacturers.Datageneratedfrommethodsemployingdifferentphysicalprinciplespresentseriouscorrelationproblemsduetotheirsensingofdifferentparametersrelatedtoparticlesizeandsomeunrelated,suchasdensity,shapeandopticalproperties.Standardizedreportingmayreduceconfusionresultingfromdifferentparticlesizemeasurementpractices.1.Scope1.1Thispracticecoversreportingparticlesizemeasurementdata.1.2Thispracticeappliestoparticlesizemeasurementmethods,devices,detaillevels,anddataformatsfordrypowders,andwetsuspensionsofsolids,gels,oremulsiondroplets.Thispracticedoesnotpertaintoliquidparticles.NOTE1—Forinformationonreportingliquidparticlemeasurementdata,refertoPracticeE799.1.3Thispracticedoesnotconcernparticleconcentrationinformation.1.4ThispracticeusesSI(SystèmeInternational)unitsasstandard.StateallnumericalvaluesintermsofSIunitsunlessspecificinstrumentationsoftwarereportsparticlesizeinformation,includingpercentiles,indices,anddistributionsastabulationsandgraphsusingalternateunits.Inthiscase,presentbothreportedandequivalentSIunitsinthefinalwritt...
