1、Designation:D706604(Reapproved 2017)Standard Test Method fordimer/trimer of chlorotrifluoroethylene(S-316)RecoverableOil and Grease and Nonpolar Material by InfraredDetermination1This standard is issued under the fixed designation D7066;the number immediately following the designation indicates the
2、year oforiginal adoption or,in the case of revision,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 This test method covers the determination of oil andgrease
3、and nonpolar material in water and wastewater by aninfrared(IR)determination of dimer/trimer of chlorotrifluoro-ethylene(S-316)2extractable substances from an acidifiedsample.Included in this estimation of oil and grease are anyother compounds soluble in the solvent.1.2 This test method is applicabl
4、e to measurement of thelight fuel although loss of some light ends during extractioncan be expected.1.3 This test method defines oil and grease in water andwastewater as that which is extractable in the test method andmeasured by IR absorption at 2930 cm-1or 3.4 microns.Similarly,this test method de
5、fines nonpolar material in waterand wastewater as that oil and grease which is not adsorbed bysilica gel in the test method and measured by IR absorption at2930 cm-1.1.4 This test method covers the range of 5 to 100 mg/L andmay be extended to a lower or higher level by extraction of alarger or small
6、er sample volume collected separately.1.5 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.6 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user
7、of this standard to establish appro-priate safety,health,and environmental practices and deter-mine(Guide D3856)the applicability of regulatory limitationsprior to use.1.7 This international standard was developed in accor-dance with internationally recognized principles on standard-ization establis
8、hed in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:3D1129 Terminology Relating to WaterD1193 Specification for Reagent Wat
9、erD3370 Practices for Sampling Water from Closed ConduitsD3856 Guide for Management Systems in LaboratoriesEngaged in Analysis of WaterD2777 Practice for Determination of Precision and Bias ofApplicable Test Methods of Committee D19 on WaterD5847 Practice for Writing Quality Control Specificationsfo
10、r Standard Test Methods for Water AnalysisE168 Practices for General Techniques of Infrared Quanti-tative AnalysisE178 Practice for Dealing With Outlying Observations3.Terminology3.1 Definitions:3.1.1 For definitions of terms used in this standard,refer toTerminology D1129 and Practices E168.3.2 Def
11、initions of Terms Specific to This Standard:3.2.1 nonpolar material,nthe oil and grease remaining insolution after contact with silica gel and measured by this testmethod.3.2.2 oil and grease,nthe organic matter extracted fromwater or wastewater and measured by this test method.3.2.3 solvent,ndimer/
12、trimer of chlorotrifluoroethylene(S-316).1This test method is under the jurisdiction of ASTM Committee D19 on Waterand is the direct responsibility of Subcommittee D19.06 on Methods forAnalysis forOrganic Substances in Water.Current edition approved Sept.1,2017.Published September 2017.Originallyapp
13、roved in 2004.Last previous edition approved in 2011 as D7066 04(2011).DOI:10.1520/D7066-04R17.2The sole source of supply of the material S-316 known to the committee at thistime is Horiba Instruments,Irvine,CA.If you are aware of alternative suppliers,please provide this information to ASTM Interna
14、tional Headquarters.Your com-ments will receive careful consideration at a meeting of the responsible technicalcommittee,1which you may attend.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume
15、 information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardizati
16、on established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 4.Summary of Test Method4.1 An acidified 250-mL sample of water or wastewater isextracted serially with three 15-mL volumes of dimer/trimer ofchlorotrifluoroethylene(S-316).The extract is diluted to 50 mLand a portion is examined by infrared spectroscopy(IR)for anoil and grease measurement.4A porti