【英文标准名称】:StandardPracticeforVerificationandUseofControlChartsinSpectrochemicalAnalysis
【原文标准名称】:化学光谱分析的控制图的检查和使用的标准规程
【标准号】:ASTME1329-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:E01.22
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:confidenceinterval;controlcharts;normalization;standardization;verification
【摘要】:Consistencyinanalysisdependsonbeingawareofasignificantchangeininstrumentalresponse,suchasthatcausedbydriftorchangesinanalyticalprecision,orboth,andtakingcorrectiveaction.Theusualcorrectiveactionfordriftisstandardization.Standardization,however,whenthereisnorealneed,canonlybroadenthespreadofsubsequentanalyses.Onepurposeofthispracticeistosetguidelinesthatwillavoidx201C;overstandardization.x201D;Tocontrolmanufacturingprocesses,theremustbeconfidencethataconsistentmaterialisbeingproducedandthattheanalysisofthematerialisreliable.Forassurancethatthematerialmeetsspecification,apurchasermayrequirethesupportingrecordofcontrolchartstoassessthatproperanalyticalcontrolhasbeenmaintained.Ideally,variationsinanalyticalresultsmaybeheldtochancecauses.Theconceptofaconfidenceintervalorlimitsonacontrolchartisbasedonwhatcanbeexpectedwhenallnormalprecautionsareexercised.Whenresultsappeartogooutofcontrol,theanalystshouldconsiderandcorrectwhatmightbeanassignablecause.Asexperienceisaccumulated,however,itmaynotseemunusualforreadingstodriftwithtimeasopticsdegrade,detectorresponsechanges,orexcitationsmodifyas,forexample,whendepositsbuilduponacounterelectrode(acorrectableassignablecause),orthelongerrangeeffectsasanX-raytubedeteriorates.1.1Thispracticecoversproceduresfordeterminingifaspectrochemicalanalysisisunderstatisticalcontrol.1.2Criteriaarepresentedfordeterminingwhencorrectiveactionisrequired.1.3Controlwillbeeffectedbyusingverifierstotestinstrumentresponse.Itisrecommended,althoughnotrequired,thatthisbeaccompaniedbytheplottingofcontrolcharts.1.4Thepreparationofcontrolchartsisdescribed.1.5Limitations8212;Theproceduresthataredescribeddonotapplytoanalysesthatrequireacalibrationeachtimeasetofanalysesisrun.Referenceismadespecificallytoopticalemissionspectroscopy,butthepracticehasamoregeneralapplication.1.6Thispracticedoesnotapplytovalidationproceduresthatmonitorthecorrectnessofcalibration.
【中国标准分类号】:G04
【国际标准分类号】:71_040_50
【页数】:12P.;A4
【正文语种】:


【英文标准名称】:StandardGuideforEvaluatingChemicalProtectiveClothing
【原文标准名称】:评估防化学品用服装的标准指南
【标准号】:ASTMF1296-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:F23.30
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:chemicalprotectiveclothing;chemicalresistance;closureperformance;overallclothingperformance;physicalproperties;protectiveclothing;seamperformance;Chemicalprotectiveclothing(CPC);Protectiveclothing
【摘要】:ThestandardsunderthejurisdictionofCommitteeF23andothertechnicalcommitteescanbeusedindividuallyoraspartofanintegratedprotocolinthedevelopment,selection,specification,anduseofchemicalprotectiveclothing.Thestandardsareintendedasameansbywhichinformationcanberequested,generated,andreportedinaconsistent,comparablemanner.Thesuggestedevaluationandtestmethodsarerecommendedguidelinesonly.Testmethodsofferproceduresforevaluatingchemicalprotectiveclothingatstandardizedconditionstoallowcomparison.Theinformationonclothingperformancemustbecombinedwithprofessionaljudgment,andaclearunderstandingoftheclothingapplication,toprovidethebestprotectiontotheworker.Allchemicalprotectiveclothingusemustbebasedonahazardassessmenttodeterminetherisksforexposuretochemicalsandotherhazards.Conducthazardassessmentsinaccordancewith29CFR1910.132.ChemicalprotectiveclothingintendedforuseduringhazardousmaterialsemergenciesshallbeevaluatedagainstandconformtoNFPA1991,StandardonVapor-ProtectiveEnsembleforHazardousMaterialsEmergencies,orNFPA1992,StandardonLiquidSplash-ProtectiveEnsembleandClothingforHazardousMaterialsEmergencies,asappropriateforthetypeofemergency.Foremergenciesinvolvingreleaseofchemicalagentsduringterrorismincidents,chemicalprotectiveclothingshallbeevaluatedagainstandconformtoNFPA1994,StandardonProtectiveEnsembleforChemical/BiologicalTerrorismIncidents.RecommendationsforlabelingchemicalprotectiveclothingareprovidedinPracticeF1301,recommendationsforimplementingachemicalprotectiveclothingprogramareprovidedinPracticeF1461,andrecommendationsforpreparingcareandmaintenanceinstructionsareprovidedinPracticeF2061.AppendixX1isanexampleofhowseveralofthereferencedstandardscanbecombinedintoaprotocoltoselectthemostsuitablechemicalprotectiveclothingforagivenapplication.Briefly,theprocessisoneofdefiningtherequirementsoftheapplicationandthen(bytesting)eliminatingthosecandidatesthatareunsuitable.AppendixX2providesacharttocrossreferenceU.S.StandardswithEuropeanandInternationalStandards.Thischartshowsonlyanalogousstandardsformeasuringthesamepropertyorevaluatingthesimilarchemicalprotectiveclothinganddoesnotimplythatresultsfromdifferenttestswillbecomparable.1.1Thisguideisintendedtoaidintheapplicationofstandardsforthedevelopment,specification,andselectionofchemicalprotectiveclothingwiththeultimategoalofmaintainingthesafetyandhealthofworkerswhocomeintocontactwithhazardouschemicals.1.2Thisguideprovidesashortdescriptionofeachreferencedstandardandthenmakesspecificrecommendationsfortheuseofthesestandards.Thereferencedstandardsareorganizedunderthefollowingheadings:MaterialChemicalResistance,MaterialPhysicalProperties,SeamandClosurePerformance,andOverallClothingPerformance.1.3Noprotocolcanensuretheselectionofprotectiveclothingthatguaranteesworkerprotection.Thepurposeoftestingistogeneratedataandinformationthatwillallowtheselectionofthemostappropriateclothing.Ultimately,clothingselectionisbasedontechnicalevaluationofavailableinformationandprofessionalassessmentofrisk.1.4ThevaluesstatedinSIunitsorinotherunitsshallberegardedseparatelyasstandard.Thevaluesstatedineachsystemmustbeusedindependentlyoftheother,withoutcombiningvaluesinanyway.1.5Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.......
【中国标准分类号】:C73
【国际标准分类号】:13_340_10
【页数】:10P.;A4
【正文语种】:英语