Designation:D7453−09(Reapproved2015)StandardPracticeforSamplingofPetroleumProductsforAnalysisbyProcessStreamAnalyzersandforProcessStreamAnalyzerSystemValidation1ThisstandardisissuedunderthefixeddesignationD7453;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONTheprimaryfocusofsamplingpetroleumproductisthetimelypresentationofthesamplefor(1)analysisbyonlineanalyzers,(2)validationofananalyzersystemand(3)collectingacompositesampleforbatchphysicalpropertydetermination.Sediment,freewater,rust,andothercontaminantsfoundinthesamplemayberemovedinthesampleconditioningsystemtoprotectthehardwareandanalyticalsystems.Ifasampleisbeingcollectedforlateranalysis,thesamplereceivermustnotalterordegradethephysicalmakeupofthesampleinanyway.Ifasampleisbeingfeedtoananalyzerorsampledforlatterdeterminationofwaterorparticulatecontaminationthenfilteringisnotanoption.1.Scope1.1Thispracticecoverstheperformancerequirementsforsamplesystemsemployedtodeliverprocessstreamsamples(1)toanalyzersystemforanalysesor(2)foranalyzervalidationor(3)forcompositesamplesystems.Italsooutlinestheselectionandoperationoflineorbatchsamplingequipmentintendedforanalyzerflowproportionedaveragepropertyvaluesystemvalidation.Samplehandling,mixing,andconditioningproceduresarerequiredtoensurethatarepresentativesampleoftheliquidpetroleumproductiscollectedfromthesamplingsource.1.2ApplicableFluids—Thispracticeisapplicabletosingleliquidphasepetroleumproductswhosevaporpressureatsamplingandsamplestorageconditionsislessthanorequalto110kPa(16.0psi),and,withaD86finalboilingpointlessthanorequalto400°C(752°F).1.2.1Specializedsamplehandlingmaybenecessarytomaintainsampleintegrityofmorevolatilematerialsathightemperaturesorextendedresidencetimeinthereceiver.Suchhandlingrequirementsarenotwithinthescopeofthispractice.User...
