【英文标准名称】:Stepironsforstaggeredmanholesteps;requirements,testingandqualitycontrolforstepironstobesetintoconcreteorfittedinmasonryorsetintoprefabricatedconcrete
【原文标准名称】:交错排列的踏脚铁.砌墙、浇灌混凝土或者混凝土预制件安装用踏脚铁的要求、检验和监督
【标准号】:DINV1264T.1-1993
【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】:StandardPracticeforExtractionofSolidWasteSamplesforChemicalAnalysisUsingSoxhletExtraction
【原文标准名称】:用索格利特萃取法对化学分析用固体废弃物样品的萃取的标准实施规程
【标准号】:ASTMD5369-1993(2008)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1993
【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】:D34.01.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:nonvolatile;semivolatile;solid;samples;Extractionmethods;Granularwaste;Nonvolatilemattercontent--wastematerials;Sediment;Semi-volatileorganic/inorganiccompounds;Sludge;Sludgesampling;Soil;Solvents--wasteapplications;Soxhletextractio
【摘要】:Thispracticeprovidesageneralprocedureforthesolventextractionoforganicsfromsoils,sediments,sludges,andfine-grainedsolidwastes.Itmaybeusedastheinitialstepinthesolventextractionoforganicconstituentsfromwastematerialsforthepurposeofquantifyingextractableorganiccompounds.Whentheappropriateextractionsolventisused,theprocedurecanbeappliedtothedeterminationofthetotalsolventextractablecontent(TSEC)ofthesample.TheextractionofnonvolatileorsemivolatileorganiccompoundsfromtheabovesolidwasteshouldusesolventslistedinTable1orSW846Method3540.Thedetectionlimit,linearconcentrationrange,andsensitivityofthemethodforspecificorganiccompoundanalysiswilldependuponthemethodusedforinstrumentalanalysisandwillalsodependuponthesampleclean-upandsolventconcentrationmethodsused.TypicaldetectionlimitsthatcanbeachievedforGCorGC/MSareinthepartspermillionandsub-partspermillionrange.Themethoddetectionlimitcanbeadjustedbyvaryingthevolumeofextractusedandbyadditionalsampleclean-uppriortoanalysis.Soxhletextractionhasanadvantagewhenanalyzingsolidwasteandsoil/wastemixtureswhichformemulsionswithmorerigoroussolventmixingextractiontechniques.TABLE1SelectedApplicationsofSoxhletExtractionforExtractionofOrganicConstituentsfromSolidMatricesSampleMatrixSolventCompoundsorConstituentsExtractionTime,h(cycles)Reference(1)Sediment
1,1,1-trichloro-1,2,2-trifluoroethane(Freon)
oilandgrease
4(80)
(1)APlumb(1983)
(2)Sludgesandsimilarmaterials
1,1,1-trichloro-1,2,2-trifluoroethane(Freon)
oilandgrease
4(80)
(2)StandardMethods
(3)Sludgesfromsewage
hexanethenmethanol
totalorganicCoil,grease,fats
24
(3)Strachan(1983)
(4)Municipalwastewatersuspendedsolidsandactivatedcarbon
hexane/dichloromethane
semivolatileprioritypollutants
24(480)
(4)Harrold(1982)
(5)Soilandhousedust
acetone/hexane(1:1)
organochlorineinsecticides
5(60)
(5)EPA(1980)
(6)Sediment
dichloromethane
phenols
8
(6)Goldberg(1980)
(7)Soil
a)acetone/n-hexane(1:1)