ISO 3838-1983 原油和液体或固体石油产品密度或相对密度的测定毛细管塞比重瓶和带刻度双毛细管比重瓶法
时间:2024-05-24 10:38:46 来源: 标准资料网 作者：标准资料网 阅读：8541
【英文标准名称】:Crudepetroleumandliquidorsolidpetroleumproducts;Determinationofdensityorrelativedensity;Capillary-stopperedpyknometerandgraduatedbicapillarypycnometermethods
【原文标准名称】:原油和液体或固体石油产品密度或相对密度的测定毛细管塞比重瓶和带刻度双毛细管比重瓶法
【标准号】:ISO3838-1983
【标准状态】:作废
【国别】:国际
【发布日期】:1983-06
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC28
【标准类型】:()
【标准水平】:()
【中文主题词】:密度;液体;石油;校正;石油产品;固体;相对密度;密度测量;试验条件;试验设备
【英文主题词】:
【摘要】:
【中国标准分类号】:E30
【国际标准分类号】:75_080;75_040
【页数】:13P;A4
【正文语种】:英语
【英文标准名称】:Slideprojectorsandslides;six-poleconnector(female)forthecontrolofslideprojectors
【原文标准名称】:幻灯放映机和幻灯片.幻灯放映机控制用六极插座
【标准号】:DIN108T.25-1982
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardPracticeforEvaluatingtheKineticBehaviorofIonExchangeResins
【原文标准名称】:离子交换树脂动力行为评价的标准操作规程
【标准号】:ASTMD6302-1998(2004)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:D19.08
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:浓缩抛光;混合床;离子交换;阳离子交换树脂;阴离子交换树脂;动力学;泄漏量
【英文主题词】:anionresin;cationresin;condensatepolishing;ionexchange;kinetics;leakage;mixedbed
【摘要】:Thispracticeisintendedtoevaluatechangesintheperformanceofionexchangeresinsusedinmixedbedsoperatingaspolishingsystemsforsolutionsoflowionicstrength,typically,x003C;10mg/Ldissolvedsolids,thatareintendedtoproduceveryhighpurityeffluents.Itisrecommendedthatwhennewresinsareinstalledinaplantitbeusedtoprovideabaselineagainstwhichthefutureperformanceofthatresincanbejudged.Theconditionsofthistestmustbelimitingkinetically,suchthatkineticleakage,andnotequilibriumleakage,istested.Thisleakageisinfluencedbyacombinationofinfluentflowvelocityandconcentration,aswellasbeddepth.Itisrecommendedthatthepracticebefollowedwiththeresinratio,flowrate,andinfluentqualityasindicated.Thedesignoftheapparatuspermitsothervariationstobeusedthatmaybemoreappropriatetothechemicalsusedinaspecificplantandthenatureofitscoolingwater,butthecautionsandlimitationsnotedinthepracticemustbeaccommodated.Itispossiblethatthecationresincouldexperiencekineticsproblems.Inmanycases,however,theanionresinsaremorelikelytoexperiencethetypesofdegradationorfoulingthatcouldleadtoimpairedkinetics.Testingoffieldanionandcationresinstogetherisanoption,especiallywhenhistoricdataonthemixedbedwillbecompiled.Recognize,however,thatmanyvariablescanbeintroduced,makingitdifficulttointerpretresultsortocomparetohistoricalornewresindataonseparatecomponents.ProvisionismadeforcalculationofthemasstransfercoefficientintheAppendixX1.Whensuchcalculationistobemade,afullwetsieveanalysis,asdescribedinTestMethodsD2187,alsoisrequired.Electronicparticlesizingmaybesubstitutedifitisreferencedbacktothewetsievemethod.Thispracticeisintendedtosupplement,notdisplace,otherindicatorsofresinperformance,suchasexchangecapacity,%regeneration,andserviceexperiencerecords.1.1Thispracticeisintendedtoevaluatechangesinkineticperformanceofionexchangeresinsusedinmixedbedstoproducehighpuritywater.Withinstrictlimitations,italsomaybeusedforcomparingresinofdifferenttypes.Thisstandarddoesnotseektomimicactualoperatingconditions.Specificchallengesolutionsandconditionsarespecified.Attheoptionoftheuser,otherconditionsmaybetested.1.2Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G16
【国际标准分类号】:71_100_80(CHEMICALSFORPURIFICATIONOFWATER)
【页数】:6P.;A4
【正文语种】: