Designation:D8470−22StandardPracticeforDevelopmentandImplementationofInstrumentPerformanceTestsforUseonMultivariateOnline,At-LineandLaboratorySpectroscopicBasedAnalyzerSystems1ThisstandardisissuedunderthefixeddesignationD8470;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversbasicproceduresthatcanbeusedtodevelopinstrumentperformancetestsforspectroscopicbasedonline,at-line,laboratoryandfieldanalyzers.ThepracticeisintendedtobeapplicabletoRamanspectrometersandtoinfraredspectrophotometersoperatinginthenear-infraredandmid-infraredregions.1.2Thispracticeisnotintendedasareplacementforspecificpractices,suchasPracticesE275,E925,E932,E958,E1421,orE1683thatexistformeasuringperformanceofspecifictypesoflaboratoryspectroscopicinstruments.Instead,thispracticeisintendedtoprovideguidelinesastohowsimilarpracticesshouldbedevelopedwhenspecificpracticesdonotexistforaparticularinstrumenttype,orwhenspecificpracticesarenotapplicableduetosamplingorsafetyconcerns.Thispracticecanbeusedtodevelopinstrumentperformancetestsforon-lineprocessspectroscopic-basedanalyzers.1.2.1Theperformancetestsdescribedinthispracticetypi-callyonlyevaluatetheperformanceoftheinfraredspectropho-tometerorRamanspectrometerpartoftheanalyzersystem,referredtohereinastheinstrument.1.2.2Instrumentperformancetestsdonottypicallyevaluateperformanceofanalyzersamplingsystems.1.3Thispracticedescribesunivariatelevelzeroandlevelonetests,andmultivariatelevelAandlevelBtestswhichcanbeimplementedtomeasureinstrumentperformance.Thesetestsaredesignedtobeusedasrapid,routinechecksofinstrumentperformance.Theyaredesignedtouncovermal-functionsorotherchangesininstrumentoperation,butdonotspecificallydiagnoseorquantitativelyassessthemalfunctionorchange.Thetestsarenotintendedforthecomparisonofinstrumentsoranalyzer...