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页数:28页
时间:2019-10-18
《EPA METHOD 1664 Revision A(February 1999)》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、UnitedStatesOfficeofWaterEPA-821-R-98-002EnvironmentalProtectionWashington,DC20460PB99-121949AgencyFebruary1999Method1664,RevisionA:N-HexaneExtractableMaterial(HEM;OilandGrease)andSilicaGelTreatedN-HexaneExtractableMaterial(SGTHEM;Non-polarMaterial)byExtractionandGravimetryAcknowledgmentsThi
2、smethodwaspreparedunderthedirectionofWilliamA.TelliardoftheEngineeringandAnalysisDivisionwithinEPA'sOfficeofWater.ThisdocumentwaspreparedunderEPAContractNo.68-C-98-139byDynCorpInformationandEnterpriseTechnology.DisclaimerThismethodhasbeenreviewedbytheEngineeringandAnalysisDivision,U.S.Enviro
3、nmentalProtectionAgency,andapprovedforpublication.Mentionoftradenamesorcommercialproductsdoesnotconstituteandendorsementorrecommendationforuse.iiTableofContentsIntroduction....................................................................iv1.0ScopeandApplication............................
4、..............................12.0SummaryofMethod...........................................................23.0Definitions...................................................................24.0Interferences.................................................................25.0Safety..........
5、.............................................................26.0EquipmentandSupplies........................................................37.0ReagentsandStandards........................................................58.0SampleCollection,Preservation,andStorage...........................
6、.............69.0QualityControl...............................................................710.0CalibrationandStandardization........................................1411.0Procedure.........................................................1412.0DataAnalysisandCalculations...................
7、......................1913.0MethodPerformance.................................................2014.0PollutionPrevention.................................................2015.0WasteManagement..................................................2016.0Ref
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