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【英文标准名称】:StandardTestMethodforStaticLeachingofMonolithicWasteFormsforDisposalofRadioactiveWaste
【原文标准名称】:供进行放射性废物处理的整块废物的静力浸出的标准试验方法
【标准号】:ASTMC1220-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:C26.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cementleaching;ceramicleaching;glassleaching;leachate;leachtest;nuclearwaste;nuclearwasteforms;nuclearwastematerials;radioactivewaste;simulatedwasteforms;staticleachtest;wasteformdurability;wasteforms;Cement;Ceramicnuclear
【摘要】:Thistestmethodcanbeusedtoprovideameasureofthereactivityofamaterialinadilutesolutioninwhichthetestresponseisdominatedbythedissolutionorleachingofthetestspecimen.Itcanbeusedtocomparethedissolutionorleachingbehaviorsofcandidateradioactivewasteformsandtostudythereactionsduringstaticexposuretodilutesolutionsinwhichsolutionfeed-backeffectscanbemaintainednegligible,dependingonthetestconditions.Thetestissuitableforapplicationtonaturalminerals,simulatedwasteformmaterials,andradioactivewasteformmaterialspecimens.Datafromthistestmayformpartofthelargerbodyofdatathatisnecessaryinthelogicalapproachtolong-termpredictionofwasteformbehavior,asdescribedinPracticeC1174.Inparticular,measuredsolutionconcentrationsandcharacterizationsofalteredsurfacesmaybeusedinthevalidationofgeochemicalmodelingcodes.Thistestmethodexcludestheuseofcrushedorpowderedspecimensandorganicmaterials.Severalreferencetestparametervaluesandreferenceleachantsolutionsarespecifiedtofacilitatethecomparisonofresultsoftestsconductedwithdifferentmaterialsandatdifferentlaboratories.However,othertestparametervaluesandleachantsolutioncompositionscanbeusedtocharacterizethespecimenreactivity.Testscanbeconductedwithdifferentleachantcompositionstosimulategroundwaters,buffertheleachatepHasthespecimendissolves,ormeasurethecommonioneffectofparticularsolutes.Testscanbeconductedtomeasuretheeffectsofvarioustestparametervaluesonthespecimenresponse,includingtime,temperature,andS/Vratio.Testsconductedfordifferentdurationsandatvarioustemperaturesprovideinsightintothereactionkinetics.TestsconductedatdifferentS/Vratioprovideinsightintochemicalaffinity(solutionfeed-backeffects)andtheapproachtosaturation.Eitheraeratedordeaeratedsolutionsmaybeusedinthistestmethodexceptwhentestinghighlyradioactivespecimens.Deaeratedsolutionsaremandatoryintestsconductedwithhighlyradioactivespecimenstominimizetheeffectsofnitrogenradiolysis.Preparationofdeaeratedleachantsisaddressedin7.2.2.Controloftheoxygenfugacityisnotpartofthistestmethod.Suchcontrolandmeasurementmayberequiredforspecificusesoftestdatabutarebeyondthescopeofthistestmethod.Testscanbeconductedusingvesselscompatiblewiththetestspecimen,leachant,andtestenvironment.Corrosionresistantmaterialsshallbeusedfortestswithcorrosivebrines.Radiation-resistantmaterialsshallbeusedfortestsinradiationfieldswhereintheaccumulatedabsorbeddosewillexceed104rad(seeNote1).Note18212;Additionalrequirementstothetestmethodapplywhenusingahighlyradioactivewasteformspecimen,asindicatedintheprocedure.1.1Thistestmethodprovidesameasureofthechemicaldurabilityofasimulatedorradioactivemonolithicwasteform,suchasaglass,ceramic,cement(grout),orcermet,inatestsolutionattemperaturesx003C;100x00B0;Cunderlowspecimensurface-area-to-leachantvolume(S/V)ratioconditions.1.2Thistestmethodcanbeusedtocharacterizethedissolutionorleachingbehaviorsofvarioussimulatedorradioactivewasteformsinvariousleachantsunderthespecificconditionsofthetestbasedonanalysisofthetestsolution.Datafromthistestareusedtocalculatenormalizedelementalmasslossvaluesfromspecimensexposedtoaqueoussolutionsattemperaturesx003C;100【英文标准名称】:Specificationforharmonizedsystemofqualityassessmentforelectroniccomponents-Blankdetailspecification:vanetypeairdielectriccapacitors(qualificationapproval)
【原文标准名称】:电子元器件质量评定协调体系规范.扇型空气介质电容器的空白详细规范(合格鉴定)
【标准号】:BSEN134103-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-11-15
【实施或试行日期】:1995-11-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:详细规范;电子设备及元件;质量保证;介质装置;规范(验收);评估质量;质量保证体系;电容器;资格鉴定
【英文主题词】:Air;Blankforms;Capacitors;Detailspecification;Dielectricmaterials;Electricalengineering;Electronicequipmentandcomponents;Platecapacitors;Qualificationapproval;Quality;Specification;Tables(data)
【摘要】:1-GENERALDATA2-INSPECTIONREQUIREMENTS
【中国标准分类号】:L11;L00
【国际标准分类号】:31_060_99
【页数】:18P.;A4
【正文语种】:英语