BS EN 1431-2009 沥青和沥青粘合剂.使用蒸馏法测定从沥青乳液中得到的残余粘合剂和油馏分
时间:2024-05-19 00:00:40 来源: 标准资料网 作者：标准资料网 阅读：9390
【英文标准名称】:Bitumenandbituminousbinders-Determinationofresidualbinderandoildistillatefrombitumenemulsionsbydistillation
【原文标准名称】:沥青和沥青粘合剂.使用蒸馏法测定从沥青乳液中得到的残余粘合剂和油馏分
【标准号】:BSEN1431-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-04-30
【实施或试行日期】:2009-04-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Bindingagents;Bitumenemulsions;Bitumens;Bituminous;Construction;Definitions;Determination;Determinationofcontent;Dimensions;Distillates;Distillation;Distillationresidue;Emulsions;Laboratorytesting;Materialstesting;Mathematicalcalculations;Oils;Petroleumproducts;Reagents;Residuetests;Testing
【摘要】:ThisEuropeanStandardspecifiesamethodforthequantitativedeterminationofresidualbinderandoildistillateinbituminousemulsions.Themethodcanalsobeusedtoobtainresidueandoildistillateforfurthertesting.NOTEThepropertiesofthematerialrecoveredinthetestarenotnecessarilythesameasthoseoftheoriginalmaterialsfromwhichtheemulsionwasproduced,especiallyforpolymermodifiedbitumens.
【中国标准分类号】:E43
【国际标准分类号】:75_140;91_100_50
【页数】:16P.;A4
【正文语种】:英语
【英文标准名称】:InformationTechnology-RoleBasedAccessControl
【原文标准名称】:信息技术.角色访问控制
【标准号】:ANSIINCITS359-2012
【标准状态】:现行
【国别】:美国
【发布日期】:2012-01-01
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:入口控制;数据安全;信息处理;信息技术;参考模型
【英文主题词】:Accesscontrols;Datasecurity;Informationprocessing;Informationtechnology;Referencemodel
【摘要】:
【中国标准分类号】:L65
【国际标准分类号】:35_020
【页数】:
【正文语种】:英语
【英文标准名称】:StandardPracticeforQualifyingSpectrometersandSpectrophotometersforUseinMultivariateAnalyses,CalibratedUsingSurrogateMixtures
【原文标准名称】:使用代用品混合物校正的多变量分析中使用的分光计和分光光度计鉴定的标准实施规程
【标准号】:ASTME2056-2004(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:E13.11
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:fluorescencespectroscopy;infraredspectroscopy;molecularspectroscopy;multivariateanalysis;quantitativeanalysis;Ramanspectroscopy;spectrometerqualification;spectrophotometerqualification;ultraviolet-visiblespectroscopy;Calibration--spectro
【摘要】:Thispracticeshouldbeusedbythedeveloperofstandardtestmethodsthatemploysurrogatecalibrations.Thispracticeassiststhetestmethoddeveloperinsettinganddocumentingrequirementsforthespectrometer/spectrophotometersthatcanperformthetestmethod.Thispracticeassiststhetestmethoddeveloperinsettinganddocumentingspectraldatacollectionandcomputationparametersforthetestmethod.Thispracticeassiststhetestmethoddeveloperinselectingamongpossiblemultivariateanalysisproceduresthatcouldbeusedtoestablishthesurrogatecalibration.Thepracticedescribesstatisticalteststhatshouldbeperformedtoensurethatallmultivariateanalysisproceduresthatareallowedwithinthescopeofthetestmethodproducestatisticallyindistinguishableresults.ThispracticedescribesstatisticalcalculationsthatthetestmethoddevelopershouldperformonthecalibrationandqualificationdatathatshouldbecollectedaspartoftheILSthatestablishesthetestmethodprecision.Thesecalculationsestablishthelevelofperformancethatspectrometers/spectrophotometersmustmeetinordertoperformthetestmethod.Thispracticedescribeshowthepersonwhocalibratesaspectrometer/spectrophotometercantesttheperformanceofsaidspectrometer/spectrophotometertodetermineiftheperformanceisadequatetoconductthetestmethod.Thispracticedescribeshowtheuserofaspectrometer/spectrophotometercanqualifythespectrometer/spectrophotometertoconductthetestmethod.1.1Thispracticerelatestothemultivariatecalibrationofspectrometersandspectrophotometersusedindeterminingthephysicalandchemicalcharacteristicsofmaterials.AdetaileddescriptionofgeneralmultivariateanalysisisgiveninPracticeE1655.Thisstandardrefersonlytothoseinstanceswheresurrogatemixturescanbeusedtoestablishasuitablecalibrationmatrix.Thispracticespecifiescalibrationandqualificationdatasetrequirementsforinterlaboratorystudies(ILSs),thatis,roundrobins,ofstandardtestmethodsemployingsurrogatecalibrationtechniquesthatdonotconformexactlytoPracticesE1655.Note18212;Forsomemultivariatespectroscopicanalyses,interferencesandmatrixeffectsaresufficientlysmallthatitispossibletocalibrateusingmixturesthatcontainsubstantiallyfewerchemicalcomponentsthanthesamplesthatwillultimatelybeanalyzed.WhilethesesurrogatemethodsgenerallymakeuseofthemultivariatemathematicsdescribedinPracticesE1655,theydonotconformtoproceduresdescribedtherein,specificallywithrespecttothehandlingofoutliers.1.2ThispracticespecifieshowtheILSdataistreatedtoestablishspectrometer/spectrophotometerperformancequalificationrequirementstobeincorporatedintostandardtestmethods.Note28212;Spectrometer/spectrophotometerqualificationproceduresareintendedtoallowtheusertodetermineiftheperformanceofaspecificspectrometer/spectrophotometerisadequatetoconducttheanalysissoastoobtainresultsconsistentwiththepublishedtestmethodprecision.1.2.1Thespectroscopiesusedinthesurrogatetestmethodswouldincludebutnotbelimitedtomid-andnear-infrared,ultraviolet/visible,fluorescenceandRamanspectroscopies.1.2.2Thesurrogatecalibrationscoveredinthispracticeare:multilinearregression(MLR),principalcomponentsregression(PCR)orpartialleastsquares(PLS)......
【中国标准分类号】:N53
【国际标准分类号】:71_040_50
【页数】:10P.;A4
【正文语种】:英语