ASTM F1636-1995e2 模式化股骨头用孔和锥的标准规范

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【英文标准名称】:Waterquality-Determinationofturbidity(ISO7027:1999);GermanversionENISO7027:1999
【原文标准名称】:水质.浊度的测定
【标准号】:DINENISO7027-2000
【标准状态】:现行
【国别】:德国
【发布日期】:2000-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:混浊度;水;测量仪器;测量;测定;水污染;测量技术;定义;定义;试验;试验;水质;泄漏辐射;定量分析;水质试验;透明度;光学测量;辐射测量;质量;水常规;方法
【英文主题词】:Definition;Definitions;Determination;Quality;Testing;Tests;Turbidity;Water;Waterquality
【摘要】:Thedocumentdescribesmethodsforthedeterminationofturbidityofwater:Semiquantitativemethods,employedforexampleinfiledworkandalsoquantitativemethodsusingopticalturbiditymeters.#,,#
【中国标准分类号】:Z16
【国际标准分类号】:13_060_60
【页数】:16P;A4
【正文语种】:德语


【英文标准名称】:TestMethodforDeterminationofIndividualComponentsinSparkIgnitionEngineFuelsby100MeterCapillaryHighResolutionGasChromatography
【原文标准名称】:采用100米毛细管高分辨气相色谱法测定火花点燃式发动机燃料中单个元素的方法
【标准号】:ANSI/ASTMD6730-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001
【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】:机动车燃料;测试方法;汽油;气相色谱法;试验方法
【英文主题词】:Automotivefuels;Capillary;Components;Determination;Fuels;Gaschromatography;Gases;Gasoline;Ignition;Individual;Liquidfuels;Meterprovers;Resolution;Sparkignitions;Spark-ignitionengines;Testmethods;Testing
【摘要】:Thistestmethodcoversthedeterminationofindividualhydrocarboncomponentsofspark-ignitionenginefuelsandtheirmixturescontainingoxygenateblends(MTBE,ETBE,ethanol,andsoforth)withboilingrangesupto225?C.Otherlightliquidhydrocarbonmixturestypicallyencounteredinpetroleumrefiningoperations,suchasblendingstocks(naphthas,reformates,alkylates,andsoforth)mayalsobeanalyzed;however,statisticaldatawasobtainedonlywithblendedspark-ignitionenginefuels.Basedonthecooperativestudyresults,individualcomponentconcentrationsandprecisionaredeterminedintherangefrom0.01toapproximately30mass%.Thetestmethodmaybeapplicabletohigherandlowerconcentrationsfortheindividualcomponents;however,theusermustverifytheaccuracyifthetestmethodisusedforcomponentswithconcentrationsoutsidethespecifiedranges.Thistestmethodalsodeterminesmethanol,ethanol,t-butanol,methylt-butylether(MTBE),ethylt-butylether(ETBE),andt-amylmethylether(TAME)insparkignitionenginefuelsintheconcentrationrangefrom1to30mass%.However,thecooperativestudydataprovidedinsufficientstatisticaldataforobtainingaprecisionstatementforthesecompounds.Althoughamajorityoftheindividualhydrocarbonspresentaredetermined,someco-elutionofcompoundsisencountered.Ifthistestmethodisutilizedtoestimatebulkhydrocarbongroup-typecomposition(PONA),theuserofsuchdatashouldbecautionedthatsomeerrorwillbeencounteredduetoco-elutionandalackofidentificationofallcomponentspresent.Samplescontainingsignificantamountsofnaphthenic(forexample,virginnaphthas)constituentsaboven-octanemayreflectsignificanterrorsinPONA-typegroupings.Basedonthegasolinesamplesintheinterlaboratorycooperativestudy,thistestmethodisapplicabletosamplescontaininglessthan25mass%ofolefins.However,someinterferingco-elutionwiththeolefinsaboveCispossible,particularlyifblendingcomponentsortheirhigherboilingcutssuchasthosederivedfromfluidcatalyticcracking(FCC)areanalyzed,andthetotalolefincontentmaynotbeaccurate.AnnexA1ofthistestmethodcomparesresultsofthetestmethodwithothertestmethodsforselectedcomponents,includingolefins,andseveralgrouptypesforseveralinterlaboratorycooperativestudysamples.Althoughbenzene,toulene,andseveraloxygenatesaredetermined,whendoubtfulastotheanalyticalresultsofthesecomponents,confirmatoryanalysescanbeobtainedbyusingthespecifictestmethodslistedinthereferencesection.Totalolefinsinthesamplesmaybeobtainedorconfirmed,orboth,ifnecessary,byTestMethodD1319(volume%)orothertestmethods,suchasthosebasedonmultidimentionalPONA-typeofinstruments.Ifwaterisorissuspectedofbeingpresent,itsconcentrationmaybedetermined,ifdesired,bytheuseofTestMethodD1744orequivalent.Othercompoundscontainingoxygen,sulfur,nitrogen,andsoforth,mayalsobepresent,andmayco-elutewiththehydrocarbons.Ifdeterminationofthesespecificcompoundsisrequired,itisrecommendedthattestmethodsforthesespecificmaterialsbeused,suchasTestMethodsD4815andD5599foroxygenates,andTestMethodD5623forsulfurcompounds,orequivalent.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:
【正文语种】:英语