1、Designation:D178301(Reapproved 2020)Standard Test Methods forPhenolic Compounds in Water1This standard is issued under the fixed designation D1783;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in
2、parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 These test methods cover the preparation of the sampleand the de
3、termination of the concentration of phenolic com-pounds in water.They are based on the color reaction of phenol(C6H5OH)with 4-aminoantipyrine and any color produced bythe reaction of other phenolic compounds is reported as phenol.The concentration of phenol measured represents the minimumconcentrati
4、on of phenolic compounds present in the sample.1.2 Phenolic compounds with a substituent in the parapositionmaynotquantitativelyproducecolorwith4-aminoantipyrine.However,para substituents of phenol suchas carboxyl,halogen,hydroxyl,methoxyl,or sulfonic acidgroups do produce color with 4-aminoantipyri
5、ne.1.3 These test methods address specific applications asfollows:RangeSectionsTest Method AChloroform Extraction0 to 100 g/L11 to 17Test Method BDirect Photometric0.1 mg/L(100 g/L)18 to 241.4 It is the usersresponsibility to assure the validity of thestandard test method for use in their particular
6、 matrix ofinterest.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 of this standard to
7、 establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.For specific hazard statements see 6.3.2 and 8.6.1.7 This international standard was developed in accor-dance with internationally recognized principles on standa
8、rd-ization established 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:2D1129 Terminology Relating to WaterD1192 Guide for
9、Equipment for Sampling Water and Steamin Closed Conduits(Withdrawn 2003)3D1193 Specification for Reagent WaterD1293 Test Methods for pH of WaterD2777 Practice for Determination of Precision and Bias ofApplicable Test Methods of Committee D19 on WaterD3370 Practices for Sampling Water from Flowing Pr
10、ocessStreamsD5789 Practice for Writing Quality Control Specificationsfor Standard Test Methods for Organic Constituents(Withdrawn 2002)3D5810 Guide for Spiking into Aqueous SamplesD5847 Practice for Writing Quality Control Specificationsfor Standard Test Methods for Water Analysis3.Terminology3.1 De
11、finitions:3.1.1 For definitions of terms used in this standard,refer toTerminology D1129.3.2 Definitions of Terms Specific to This Standard:3.2.1 phenolic compounds,nhydroxy derivatives of ben-zene and its condensed nuclei.4.Summary of Test Methods4.1 Test Method A and Test Method B are photometricp
12、rocedures based on the reaction of steam-distillable phenoliccompounds with 4-aminoantipyrine.1These test methods are under the jurisdiction of D19 on Water and are the directresponsibility of Subcommittee D19.06 on Methods for Analysis for OrganicSubstances in Water.Current edition approved Jan.1,2
13、020.Published January 2020.Originallyapproved in 1960.Last previous edition approved in 2012 as D1783 01R121.DOI:10.1520/D1783-01R20.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume informati
14、on,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 Conshohocken,PA 19428-2959.United StatesThis international standard was developed
15、 in accordance with internationally recognized principles on standardization 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.4.2 Test Method A differs f
16、rom Test Method B mainly inthat the sample is extracted with chloroform,thereby providing20-fold greater sensitivity.4.3 Both procedures involve first separating the phenoliccompounds from the background matrix by distillation.Due tothe differing solubilities and boiling points of the variousphenolic compounds,each phenolic comes over in the distil-lation at a different rate.Some phenolics will be substantiallytransferred near the beginning of the distillation and some willnot start to distill u
