【英文标准名称】:Soilquality-Dissolutionforthedeterminationoftotalelementcontent-Part2:Dissolutionbyalkalinefusion(ISO14869-2:2002)
【原文标准名称】:土质.测定元素总含量的溶解法.第2部分:强碱熔解
【标准号】:DINISO14869-2-2003
【标准状态】:现行
【国别】:德国
【发布日期】:2003-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:土壤;土壤;强碱;痕量元素;痕量元素分析;土壤普查;处理;土壤组分;土壤分析;溶解;含量;土壤采样;萃取分析法;元件;含量测定;萃取;溶解法;桶样分析;化学分析和试验;方法
【英文主题词】:
【摘要】:
【中国标准分类号】:B11
【国际标准分类号】:13_080_10
【页数】:7P;A4
【正文语种】:德语


【英文标准名称】:StandardPracticeforDeterminationofVolatileOrganicCompounds(ExcludingFormaldehyde)EmissionsfromWood-BasedPanelsUsingSmallEnvironmentalChambersUnderDefinedTestConditions
【原文标准名称】:在限定的试验条件下使用小型环境室测定由木基板散发的挥发性有机化合物(甲醛除外)的标准操作规程
【标准号】:ASTMD6330-1998(2003)
【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(ASTM)
【起草单位】:D22.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:散发因素;小型环境试验室;标准动态室试验条件;木基板;挥发有机化合物;化学分析
【英文主题词】:chemicalanalysis;emissionfactors;smallenvironmentaltestchamber;standarddynamicchambertestconditions;volatileorganiccompounds;wood-basedpanels;
【摘要】:TheeffectsofVOCsourcesontheindoorairqualityinbuildingshavenotbeenwellestablished.Onebasicrequirementthathasemergedfromindoorairqualitystudiesistheneedforwell-characterizedtestdataontheemissionfactorsofVOCsfrombuildingmaterials.Standardtestmethodandprocedurearearequirementforthecomparisonofemissionfactordatafromdifferentproducts.ThispracticedescribesaprocedureforusingasmallenvironmentaltestchambertodeterminetheemissionfactorsofVOCsfromwood-basedpanelsoveraspecifiedperiodoftime.Apre-screeninganalysisprocedureisalsoprovidedtoidentifytheVOCsemittedfromtheproducts,todeterminetheappropriateGC/MSorGC/FIDanalyticalprocedure,andtoestimaterequiredsamplingvolumeforthesubsequentenvironmentalchambertesting.TestresultsobtainedusingthispracticeprovideabasisforcomparingtheVOCemissioncharacteristicsofdifferentwood-basedpanelproducts.TheemissiondatacanbeusedtoinformmanufacturersoftheVOCemissionsfromtheirproducts.ThedatacanalsobeusedtoidentifybuildingmaterialswithreducedVOCemissionsoverthetimeintervalofthetest.Whileemissionfactorsdeterminedbyusingthispracticecanbeusedtocomparedifferentproducts,theconcentrationsmeasuredinthechambershallnotbeconsideredastheresultantconcentrationsinanactualindoorenvironment.1.1Thepracticemeasuresthevolatileorganiccompounds(VOC),excludingformaldehyde,emittedfrommanufacturedwood-basedpanels.Apre-screeninganalysisisusedtoidentifytheVOCsemittedfromthepanel.Emissionfactors(thatis,emissionratesperunitsurfacearea)fortheVOCsofinterestarethendeterminedbymeasuringtheconcentrationsinasmallenvironmentaltestchambercontainingaspecimen.Thetestchamberisventilatedataconstantairchangerateunderthestandardenvironmentalconditions.Forformaldehydedetermination,seeTestMethodD6007.1.2ThispracticedescribesatestmethodthatisspecifictothemeasurementofVOCemissionsfromnewlymanufacturedindividualwood-basedpanels,suchasparticleboard,plywood,andorientedstrandboard(OSB),forthepurposeofcomparingtheemissioncharacteristicsofdifferentproductsunderthestandardtestcondition.Forgeneralguidanceonconductingsmallenvironmentalchambertests,seeGuideD5116.1.3VOCconcentrationsintheenvironmentaltestchamberaredeterminedbyadsorptiononanappropriatesingleadsorbenttubeormulti-adsorbenttube,followedbythermaldesorptionandcombinedgaschromatograph/massspectrometry(GC/MS)orgaschromatograph/flameionizationdetection(GC/FID).TheairsamplingprocedureandtheanalyticalmethodrecommendedinthispracticearegenerallyvalidfortheidentificationandquantificationofVOCswithsaturationvaporpressurebetween500and0.01kPaat25176;C,dependingontheselectionofadsorbent(s).Note18212;VOCsbeingcapturedbyanadsorbenttubedependontheadsorbent(s)andsamplingprocedureselected(seePracticeD6196).Theusershouldhaveathoroughunderstandingofthelimitationsofeachadsorbentused.1.4Theemissionfactorsdeterminedusingtheaboveproceduredescribetheemissioncharacteristicsofthespecimenunderthestandardtestcondition.Thesedatacanbeuseddirectlytocomparetheemissioncharacteristicsofdifferentproductsandtoestimatetheemissionratesuptoonemonthaftertheproduction.Theyshallnotbeusedtopredicttheemissionratesoverlongerperiodsoftime(thatis,morethanonemonth)orunderdifferentenvironmentalconditions.1.5Emissiondatafromchambertestscanbeusedforpredictingtheimpactofwood-basedpanelsontheVOCconcentrationsinbuildingsbyusinganappropriateindoorairqualitymodel,whichisbeyondthesco......
【中国标准分类号】:B70
【国际标准分类号】:13_040_99;71_100_50;79_060_01
【页数】:10P.;A4
【正文语种】: