1、Designation:D536813StandardTest Methods forGravimetric Determination of Total Solvent ExtractableContent(TSEC)of Solid Waste Samples1This standard is issued under the fixed designation D5368;the number immediately following the designation indicates the year oforiginal adoption or,in the case of rev
2、ision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 These test methods describe standard procedures forgravimetrically determining the total nonvolatile and
3、semi-volatile organic content of solvent extracts from soils or solidwastes.The following methods are included:SectionMethod AMicro-Determination of TSEC11-13Method BEvaporating Dish Procedure14-16Method CBoiling Flask Procedure17-191.2 These methods are used after a solvent extract isobtained from
4、a soil or solid waste.For these methods to beapplicable,the extraction solvent must have a boiling point lessthan that of water at ambient pressure.1.3 The total solvent extractable content(TSEC)of a soil,sediment,sludge,or solid waste depends upon the solvent andmethod used for the extraction proce
5、dure.2.Referenced Documents2.1 ASTM Standards:2D2109 Test Methods for Nonvolatile Matter in HalogenatedOrganic Solvents and Their AdmixturesD2910 Method for Removal of Organic Matter from Waterby Activated Carbon Absorption(Withdrawn 1991)3D3086 Test Method for Organochlorine Pesticides in Water(Wit
6、hdrawn 1996)3D3445 Method of Test for Nonvolatile Matter in Trichloro-trifluoroethane(Withdrawn 1991)3D3694 Practices for Preparation of Sample Containers andfor Preservation of Organic ConstituentsD4281 Test Method for Oil and Grease(Fluorocarbon Ex-tractable Substances)by Gravimetric Determination
7、D5369 Practice for Extraction of Solid Waste Samples forChemical Analysis Using Soxhlet ExtractionD5681 Terminology for Waste and Waste Management3.Terminology3.1 Definition:For definitions of terms used in these testmethods refer to Terminology D5681.3.2 Description of Terms Specific to This Standa
8、rd:3.2.1 total solvent extractable content(TSEC)the totalconcentration by weight(w/w)of organic materials that isextractable from a soil or solid waste by the selected solvent.4.Summary of Methods4.1 The sample is extracted with an organic solvent using aprocedure such as described in Practices D536
9、9(SoxhletExtraction)or Test Method D4281.The quantity of materialextracted into the solvent is determined as the residue weightafter solvent evaporation.Similar ASTM methods are TestMethods D2109 and D3445,and Practice D2910.4.1.1 Method A,Micro-Determination MethodThe residueweight after solvent ev
10、aporation is determined for 200 L ofsolvent extract evaporated on an aluminum weighing dish.Aheat lamp is used to effect evaporation.4.1.2 Method B,Evaporating Dish ProcedureThe residueweight after solvent evaporation is determined for 1.0 to 75.0mL of solvent extract.Solvent is evaporated in an eva
11、poratingdish by heating at 5C below the solvent boiling point.Astream of nitrogen over the surface of the solvent is used toaccelerate evaporation.4.1.3 Method C,Boiling Flask MethodThe residue weightafter solvent evaporation is determined for 100 to 300 mL ofsolvent evaporated in a boiling flask.So
12、lvent is evaporated ina water bath at the solvent boiling point.5.Significance and Use5.1 The TSEC provides a quantitative measure of the totalsolvent extractable organic content of the solid waste inquestion.Based upon the TSEC,the extract may be analyzed orfurther processed(that is,further cleanup
13、 or solvent concen-tration)in preparation for analysis.Thus,the TSEC provides aquantitative measure for optimizing the extractable organicconcentration prior to chemical analysis.1These test methods are under the jurisdiction of ASTM Committee D34 onWaste Management and are the direct responsibility
14、 of Subcommittee D34.01.06 onAnalytical Methods.Current edition approved April 1,2013.Published May 2013.Originallyapproved in 1993.Last previous edition approved in 2006 as D5368-93(2006)DOI:10.1520/D5368-13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer
15、Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Consh
16、ohocken,PA 19428-2959.United StatesNOTICE:This standard has either been superseded and replaced by a new version or withdrawn.Contact ASTM International(www.astm.org)for the latest information15.2 The TSEC of soil or waste material may be used as aquantitative measure for the screening and selection of samplesfor chemical analysis.5.3 The TSEC may be useful as a simple and relativelyinexpensive quantitative indicator of changes occurring in thetotal extractable organic content of soil or waste m
