Designation:D6502−10(Reapproved2015)StandardTestMethodforMeasurementofOn-lineIntegratedSamplesofLowLevelSuspendedSolidsandIonicSolidsinProcessWaterbyX-RayFluorescence(XRF)1ThisstandardisissuedunderthefixeddesignationD6502;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoverstheoperation,calibration,anddatainterpretationforanon-linecorrosionproduct(metals)monitoringsystem.Themonitoringsystemisbasedonx-rayfluorescence(XRF)analysisofmetalscontainedonmembranefilters(forsuspendedsolids)orresinmembranes(forionicsolids).SincetheXRFdetectorissensitivetoarangeofemissionenergy,thistestmethodisapplicabletosimultaneousmonitoringoftheconcentrationlevelsofseveralmetalsincludingtitanium,vanadium,chromium,manganese,iron,cobalt,nickel,copper,zinc,mercury,lead,andothersinaflowingsample.Adetectionlimitbelow1ppbcanbeachievedformostmetals.1.2Thistestmethodincludesadescriptionoftheequipmentcomprisingtheon-linemetalsmonitoringsystem,aswellas,operationalproceduresandsystemspecifications.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1066PracticeforSamplingSteamD1129TerminologyRelatingtoWaterD2777PracticeforDeterminationofPrecisionandBiasofApplicableTestMethodsofCommitteeD19onWaterD3370PracticesforSamplingWaterfromClosedConduitsD3864GuideforOn-LineMonitoringSystemsforWaterAnalysisD4453PracticeforHandlingofHighPurityWaterSamplesD5540PracticeforFlowControlandTemperatureControlforOn-LineWaterSamplingandAnalysisD6301PracticeforC...
