GB/T 3008-1982 普通硅酸铝耐火纤维毡检验制样规定
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来源:标准资料网
基本信息
标准名称: | 普通硅酸铝耐火纤维毡检验制样规定 |
英文名称: | Rule for preparing samples of ordinary alumino-silicate refractory fiber felts |
中标分类: |
建材 >>
耐火材料 >>
耐火纤维 |
ICS分类: |
玻璃和陶瓷工业 >>
耐火材料
|
发布部门: | 国家标准化管理委员会 |
发布日期: | 1982-03-29 |
实施日期: | 1983-01-01 |
首发日期: | 1982-03-29 |
作废日期: | 2005-10-14 |
主管部门: | 国家标准化管理委员会 |
归口单位: | 全国耐火材料标准化技术委员会 |
起草单位: | 洛阳耐火材料研究所 |
出版日期: | 1900-01-01 |
页数: | 0 |
适用范围
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前言
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目录
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引用标准
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所属分类: 建材 耐火材料 耐火纤维 玻璃和陶瓷工业 耐火材料
【英文标准名称】:StandardTestMethodforAcceleratedLeachTestforDiffusiveReleasesfromSolidifiedWasteandaComputerProgramtoModelDiffusive,FractionalLeachingfromCylindricalWasteForms
【原文标准名称】:固化废料中扩散释放物加速浸出试验,模型扩散的计算机程序和从圆柱形废料状态中分离淋滤的标准试验方法
【标准号】:ASTMC1308-2008
【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】:C26.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:accelerated;diffusion;leach;waste;Acceleratedleachtest;Computerprograms;Diffusive/fractionalleaching;Leachates/leaching;Models/modeling--environmental;Nuclearscrapandwastematerials;Solidifiedwaste;Wastematerials/processing/analysis
【摘要】:Thistestmethodcanbeusedtomeasurethereleaseofacomponentfromacylindricalsolidifiedwasteformintowateratthereferencetemperatureof20x00B0;Candatelevatedtemperaturesthatacceleratetherateandextentofleachingrelativetothevaluesmeasuredat20x00B0;C.Thistestmethodcanbeusedto:Comparereleasesofwastecomponentsfromvarioustypesofsolidificationagentsandformulations.Determinethediffusioncoefficientsforthereleaseofwastecomponentsfromwasteformsataspecifictemperature.Promotegreaterextentsofreactionthancanbeachievedunderexpectedserviceconditionswithinalaboratorytimeframetoprovidegreaterconfidenceinmodeleddiffusivereleases.Determinethetemperaturedependenceofdiffusiverelease.Fittingtheexperimentalresultswithamechanisticmodelallowsdiffusivereleasestobeextrapolatedtolongtimesandtofull-scalewasteformsunderthefollowingconstraints:Resultsofthistestmethodaddressanintrinsicpropertyofamaterialandshouldnotbepresumedtorepresentreleasesinspecificdisposalenvironments.Testscanbeconductedunderconditionsthatrepresentaspecificdisposalenvironment(forexample,byusingarepresentativegroundwater)todetermineaneffectivediffusioncoefficientforthoseconditions.Projectionsofreleasesoverlongtimesrequiresthatthewasteformmatrixremainstable,whichmaybedemonstratedbythebehaviorofthespecimeninALTsatelevatedtemperatures.ExtrapolationsintimeandscalearelimitedtovaluesthatcorrespondtothemaximumCFLvalueobtainedinanacceleratedtest.Themechanismmustbethesameatalltemperaturesusedintheextrapolation.Thesamemodelthatdescribestheresultsoftestsconductedatelevatedtemperaturesmustalsodescribetheresultsoftestsrunatthereferencetemperatureof20x00B0;C.1.1Thistestmethodprovidesproceduresformeasuringtheleachratesofelementsfromasolidifiedmatrixmaterial,determiningifthereleasesarecontrolledbymassdiffusion,computingvaluesofdiffusionconstantsbasedonmodels,andverifyingprojectedlong-termdiffusivereleases.Thistestmethodisapplicabletoanymaterialthatdoesnotdegradeordeformduringthetest.1.1.1Ifmassdiffusionisthedominantstepintheleachingmechanism,thentheresultsofthistestcanbeusedtocalculatediffusioncoefficientsusingmathematicaldiffusionmodels.Acomputerprogramdevelopedforthatpurposeisavailableasacompaniontothistestmethod(Note1).1.1.2Itshouldbeverifiedthatleachingiscontrolledbydiffusionbyameansotherthananalysisoftheleachtestsolutiondata.Analysisofconcentrationprofilesofspeciesofinterestnearthesurfaceofthesolidwasteformafterthetestisrecommendedforthispurpose.1.1.3Potentialeffectsofpartitioningonthetestresultscanbeidentifiedthroughmodeling,althoughfurthertestingandanalysesarerequiredtodeterminethecauseofpartitioning(forexample,ifitoccursduringproductionofthematerialorasaresultofleaching).1.2Themethodisamodificationofothersemi-dynamictestssuchastheIAEAtest(1)andtheANS16.1LeachTestwhereinelevatedtemperaturesareusedtoacceleratediffusivereleasetoanextentthatwouldonlybereachedafterverylongtimesatlowertemperatures.Thisapproachprovidesamechanisticbasisforcalculatingdiffusivereleasesatrepository-relevanttemperaturesoverlongtimes,providedthattheleachingmechanismdoesnotchangewithtemperature.1.2.1Testscanbeconductedatelevatedtemperature......
【中国标准分类号】:Z13
【国际标准分类号】:13_030_10
【页数】:14P.;A4
【正文语种】:英语
【英文标准名称】:TestMethodforMeasuringSteady-StatePrimaryPhotocurrent
【原文标准名称】:测量稳态原始光电流的标准试验方法
【标准号】:ASTMF448-1999
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:隔离栅场;结栅场;原始光电流;热发光探测器;导电体;辐照度;效应半导体器件;热量计;电子元部件;放射性照射;器件;齐纳二极管;电流测量;晶体管;稳定;辐照;半导体;试验
【英文主题词】:
【摘要】:
【中国标准分类号】:A60
【国际标准分类号】:31_260
【页数】:7P;A4
【正文语种】:英语