1、Designation:D517315Standard Guide forOn-Line Monitoring of Total Organic Carbon in Water byOxidation and Detection of Resulting Carbon Dioxide1This standard is issued under the fixed designation D5173;the number immediately following the designation indicates the year oforiginal adoption or,in the c
2、ase 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 guide covers the selection,establishment,andapplication of monitoring systems for carbon a
3、nd carboncompounds by on-line,automatic analysis,and recording orotherwise signaling of output data.The system chosen willdepend on the purpose for which it is intended(for example,regulatory compliance,process monitoring,or to alert the userto adverse trends)and on the type of water to be monitored
4、(low purity or high purity,with or without suspendedparticulates,purgeable organics,or inorganic carbon).If it is tobe used for regulatory compliance,the test method publishedor referenced in the regulations should be used in conjunctionwith this guide and other ASTM test methods.This guidecovers ca
5、rbon concentrations of 0.05 g/L to 50 000 mg/L.Low end sensitivity and quantitative results may vary amonginstruments.This guide covers the on-line measurement tech-niques listed in Table 1.Additional laboratory test methods areavailable:Test Methods D4129,D4839,D5904,D6317,andD7573.1.2 The values s
6、tated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.3 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 establish appro-priate safety and
7、health practices and determine the applica-bility of regulatory limitations prior to use.For specific hazardstatements,see Section 9.2.Referenced Documents2.1 ASTM Standards:2D1129 Terminology Relating to WaterD1193 Specification for Reagent WaterD2777 Practice for Determination of Precision and Bia
8、s ofApplicable Test Methods of Committee D19 on WaterD3370 Practices for Sampling Water from Closed ConduitsD3694 Practices for Preparation of Sample Containers andfor Preservation of Organic ConstituentsD3864 Guide for On-Line Monitoring Systems for WaterAnalysisD4129 Test Method for Total and Orga
9、nic Carbon in Waterby High Temperature Oxidation and by CoulometricDetectionD4453 Practice for Handling of High Purity Water SamplesD4839 Test Method for Total Carbon and Organic Carbon inWater by Ultraviolet,or Persulfate Oxidation,or Both,andInfrared DetectionD5904 Test Method for Total Carbon,Ino
10、rganic Carbon,andOrganic Carbon in Water by Ultraviolet,PersulfateOxidation,and Membrane Conductivity DetectionD5997 Test Method for On-Line Monitoring of TotalCarbon,Inorganic Carbon in Water by Ultraviolet,Persul-fate Oxidation,and Membrane Conductivity DetectionD6317 Test Method for Low Level Det
11、ermination of TotalCarbon,Inorganic Carbon and Organic Carbon in Waterby Ultraviolet,Persulfate Oxidation,and Membrane Con-ductivity DetectionD7573 Test Method for Total Carbon and Organic Carbon inWater by High Temperature Catalytic Combustion andInfrared Detection2.2 Other Standards:EN1484 Europea
12、n Standard Water Analysis Guidelines forthe Determination of Total Organic Carbon(TOC)andDissolved Organic Carbon(DOC)33.Terminology3.1 Definitions:3.1.1 For definitions of other terms used in this guide,referto Terminology D1129 and Guide D3864.3.2 Definitions of Terms Specific to This Standard:3.2
13、.1 electrical conductivity,nthe reciprocal of the acresistance in ohms measured between opposite faces of a1This guide is under the jurisdiction of ASTM Committee D19 on Water and isthe direct responsibility of Subcommittee D19.03 on Sampling Water and Water-Formed Deposits,Analysis of Water for Pow
14、er Generation and Process Use,On-Line Water Analysis,and Surveillance of Water.Current edition approved Feb.15,2015.Published March 2015.Originallyapproved in 1991.Last previous edition approved in 2007 as D5173 97(2007).DOI:10.1520/D5173-15.2For referenced ASTM standards,visit the ASTM website,www.
15、astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from European Committee for Standardization(CEN),AvenueMarnix 17,B-1000,Brussels,Belgium,http:/www.cen.eu.Copyrig
16、ht ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 centimetre cube of an aqueous solution at a specifiedtemperature,measured in units of siemens/cm.4.Summary of Guide4.1 A representative sample of a water stream,or the waterstream itself flows into a reaction chamber where all or someof the dissolved organic carbon is oxidized to carbon dioxideby either of two means:(1)a chemical oxidant,an energysource such as ultraviolet(UV)radiation,or both,