【英文标准名称】:Soilquality-Leachingproceduresforsubsequentchemicalandecotoxicologicaltestingofsoilandsoilmaterials-Part3:Up-flowpercolationtest
【原文标准名称】:土质.土壤和土壤材料连续化学和毒物学测试用浸出过程.第3部分:上流过滤试验
【标准号】:ISO/TS21268-3-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-07
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC190
【标准类型】:()
【标准水平】:()
【中文主题词】:生物试验;化学分析和测试;柱;土壤组分;定义;毒性;无机物的;无机化合物;无机材料;调查;有机的;有机化合物;沥滤;规程;试样制备;试样;土壤普查;土壤测试;土壤;测试;毒理测试
【英文主题词】:Biologicaltests;Chemicalanalysisandtesting;Columns;Compositionoftheground;Definitions;Ecotoxicity;Ecotoxicology;Inorganic;Inorganiccompounds;Inorganicmaterials;Investigations;Organic;Organiccompounds;Percolation;Procedures;Samplepreparation;Samples;Soilsurveys;Soiltesting;Soils;Specimenpreparation;Testing;Toxicologicaltesting
【摘要】:ThispartofISO/TS21268specifiesatest,whichisaimedatdeterminingtheleachingbehaviourofinorganicandorganicconstituentsfromasoilandsoilmaterial.Themethodisaonce-throughpercolationtestwithwater(0,001mol/lCaCl2)understandardizedconditionsofflowrate.Thematerialisleachedunderdynamichydraulicconditions.Theeluatesobtainedcanbeusedtodeterminetheecologicalpropertiesofthesoilwithrespecttomicro-organisms,floraandfauna.Thetestresultsenablethedistinctionbetweendifferentreleasepatterns,forinstancewash-outandreleaseundertheinfluenceofinteractionwiththematrix,whenapproachinglocalequilibriumbetweenmaterialandleachant.Thistestmethodproduceseluates,whichcansubsequentlybecharacterisedbyphysical,chemicalandecotoxicologicalmethodsinaccordancewithexistingstandardmethods.Theresultsofeluateanalysisarepresentedasafunctionoftheliquid/solidratio.Thetestisnotsuitableforspeciesthatarevolatileunderambientconditions.NOTE1Volatileorganicconstituentsincludethelow-molecular-weightcomponentsinmixturessuchasmineraloil.NOTE2Itisnotalwayspossibletooptimisetestconditionssimultaneouslyforinorganicandorganicconstituentsandoptimumtestconditionsmayalsovarybetweendifferentgroupsoforganicconstituents.Testrequirementsfororganicconstituentsaregenerallymorestringentthanthoseforinorganicconstituents.Thetestconditionssuitableformeasuringthereleaseoforganicconstituentswillgenerallyalsobeapplicabletoinorganicconstituents.NOTE3Forecotoxicologicaltesting,eluatesrepresentingthereleaseofbothinorganicandorganiccontaminantsareneeded.Inthisdocument,ecotoxicologicaltestingisalsomeanttoincludegenotoxicologicaltesting.Theapplicationofthistestmethodaloneisnotsufficientforthedeterminationoftheleachingbehaviourofamaterialunderspecifiedconditionsdifferenttothosefromthetestprocedure,sincethisgenerallyrequirestheapplicationofseveraltestmethods,behaviouralmodellingandmodelvalidation.ThispartofISO/TS21268doesnotaddressissuesrelatedtohealthandsafety.ItonlydeterminestheleachingpropertiesasoutlinedinClause4.
【中国标准分类号】:B11
【国际标准分类号】:13_080_05
【页数】:24P.;A4
【正文语种】:英语