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SAE J322 Nonmetallic Trim Materials--Test Method for Determining the Staining Resistance to Hydrogen Sulfide Gas

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Product Code:SAE J322
Title:Nonmetallic Trim Materials--Test Method for Determining the Staining Resistance to Hydrogen Sulfide Gas
Issuing Committee:Textile And Flexible Plastics Committee
Scope:This SAE Recommended Practice is designed to reveal discoloration which may occur when nonmetallic materials used for trimming automobiles are exposed for a limited time to an atmosphere containing hydrogen sulfide.NOTE 1: CAUTION-Hydrogen sulfide gas is extremely hazardous. Use of this substance may be fatal if proper precautions are not taken. This test method does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this document to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.NOTE 2: A fume hood and adequate ventilation should be provided at all times during testing.
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【英文标准名称】:StandardTestMethodfor24-hBatch-TypeMeasurementofContaminantSorptionbySoilsandSediments
【原文标准名称】:24小时分批测量土壤和沉积物的污染物吸附作用的标准试验方法
【标准号】:ASTMD4646-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D34.01.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:土壤;沉积物;吸附;污染物;试验方法
【英文主题词】:absorption-soil/rock;acceleratedaging/testing;biologicaldataanalysis-sediments;breakingstrength/tenacity;chemicalanalysis-waterapplications;chemical-resistantmaterials/products;chemicals;contamination-environmental;distribution;hazardtesting
【摘要】:Thistestmethodismeanttoallowforarapid(24h)indexofageomedia’sorptionaffinityforgivenchemicalsorleachateconstituents.Alargenumberofsamplesmayberunusingthistestmethodtodetermineacomparativerankingofthosesamples,basedupontheamountofsolutesorbedbythegeomedia,orbyvariousgeomediaorleachateconstituents.The24-htimeisusedtomakethetestconvenientandalsotominimizemicrobialdegradationwhichmaybeaprobleminlonger-timedprocedures.WhileKdvaluesaredirectlyapplicableforscreeningandcomparativerankingpurposes,theiruseinpredictivefieldapplicationsgenerallyrequirestheassumptionthatKdbeafixedvalue.Whilethistestmethodmaybeusefulindetermining24-hKdvaluesfornonvolatileorganicconstituents,interlaboratorytestinghasbeencarriedoutonlyforthenonvolatileinorganicspecies,arsenicandcadmium.However,theprocedurehasbeentestedforsinglelaboratoryprecisionwithpolychlorinatedbiphenyls(PCBs)andisbelievedtobeusefulforallstableandnonvolatileinorganic,andorganicconstituents.Thistestmethodisnotconsideredappropriateforvolatileconstituents.The24-htimelimitmaybesufficienttoreachasteady-stateKd.However,toreportthisdeterminationasasteady-stateKd,thistestmethodshouldbeconductedforintermediatetimes(forexample,12,18and22h)toensurethatthesolubleconcentrationsinthesolutionhavereachedasteadystateby24h.RefertoTestMethodD4319foranalternateprocedureoflongerduration.1.1Thistestmethoddescribesaprocedurefordeterminingthesorptionaffinityofwastesolutesbyunconsolidatedgeologicmaterialinaqueoussuspension.Thewastesolutemaybederivedfromavarietyofsourcessuchaswells,underdrainsystems,orlaboratorysolutionssuchasthoseproducedbywasteextractiontestsliketheMethodD3987shakeextractionmethod.1.2Thistestmethodisapplicableinscreeningandprovidingrelativerankingsofalargenumberofgeomediasamplesfortheirsorptionaffinityinaqueousleachate/geomediasuspensions.Thistestmethodmaynotexactlysimulatesorptioncharacteristicsthatwouldoccurinunperturbedgeologicsettings.1.3Whilethisproceduremaybeapplicabletobothorganicandinorganicconstituents,caremustbetakenwithrespecttothestabilityoftheparticularconstituentsandtheirpossiblelossesfromsolutionbysuchprocessesasdegradationbymicrobes,light,orhydrolysis.Thistestmethodshouldnotbeusedforvolatilechemicalconstituents(see6.1).1.4Thisstandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:13_080_05
【页数】:4P.;A4
【正文语种】: