1、Designation:D432711Standard Test Method forAnions in Water by Suppressed Ion Chromatography1This standard is issued under the fixed designation D4327;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number
2、in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This test method2covers the sequential determination offluoride,chloride,nitrite,ortho-phosphate,bromide,nitrate,and sulfate ions in water by sup
3、pressed ion chromatography.NOTE1Order of elution is dependent upon the column used;see Fig.1.1.2 This test method is applicable to drinking and wastewa-ters.The ranges tested for this test method for each anion wereas follows(measured in mg/L):Fluoride0.26 to 8.49Chloride0.78 to 26.0Nitrite-N0.36 to
4、 12.0Bromide0.63 to 21.0Nitrate-N0.42 to 14.0o-Phosphate0.69 to 23.1Sulfate2.85 to 95.01.3 It is the users responsibility to ensure the validity of thistest method for other matrices.1.4 Concentrations as low as 0.01 mg/L were determineddepending upon the anions to be quantified,in single labora-tor
5、y work.Utilizing a 50-L sample volume loop and asensitivity of 3 S/cm full scale,the approximate detectionlimits shown in Table 1 can be achieved.Lower detectionlimits have been observed with newer instrumentation,columntechnology and eluents.The analyst must assure optimuminstrument performance to
6、maintain a stable baseline at moresensitive conductivity full-scale settings.1.5 The upper limit of this test method is dependent upontotal anion concentration and may be determined experimen-tally as described in Annex A1.These limits may be extendedby appropriate dilution or by use of a smaller in
7、jection volume.1.6 Using alternate separator column and eluents may per-mit additional anions such as acetate,formate or citrate to bedetermined.This is not the subject of this test method.1.7 This method update approves the use of Electrolyticallygenerated eluent,electrolytically regenerated eluent
8、,electro-lytic suppression(not autozeroing)and electrolytic trap col-umns also known as Reagent Free Ion Chromatography.Thisapproval is based on acceptance by the US EPA as referencedin Appendix X21.8 The values stated in SI units are to be regarded asstandard.No other units of measurement are inclu
9、ded in thisstandard.1.9 This standard does not purport to address all of thesafety problems,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to us
10、e.2.Referenced Documents2.1 ASTM Standards:3D1066 Practice for Sampling SteamD1129 Terminology Relating to WaterD1193 Specification for Reagent WaterD2777 Practice for Determination of Precision and Bias ofApplicable Test Methods of Committee D19 on WaterD3370 Practices for Sampling Water from Close
11、d ConduitsD5810 Guide for Spiking into Aqueous SamplesD5847 Practice for Writing Quality Control Specificationsfor Standard Test Methods for Water Analysis1This test method is under the jurisdiction of ASTM Committee D19 on Waterand is the direct responsibility of Subcommittee D19.05 on Inorganic Co
12、nstituentsin Water.Current edition approved Jan.15,2011.Published March 2011.Originallyapproved in 1984.Last previous edition approved in 2003 as D4327 03.DOI:10.1520/D4327-11.2The following references may be consulted for additional information:Small,H.,Stevens,T.S.,and Bauman,W.C.,“Novel Ion Excha
13、nge Chromato-graphic Method Using Conductrimetric Detection,”Analytical Chemistry,Vol 47,1975,p.1801.Stevens,T.S.,Turkelson,V.T.,and Alve,W.R.,“Determination of Anions inBoiler Blow Down Water with Ion Chromatography,”Analytical Chemistry,Vol 49,1977,p.1176.Sawicki,E.,Mulik,J.D.,and Witgenstein,E.,E
14、ditors,Ion ChromatographicAnalysis of Environmental Pollutants,Ann Arbor Science Publishers,Ann Arbor,MI,1978.Mulik,J.D.,and Sawicki,E.,Editors,Ion Chromatographic Analysis ofEnvironmental Pollutants,Vol/No.2,AnnArbor Science Publishers,AnnArbor,MI,1979.Weiss,J.,Handbook of Ion Chromatography,Dionex
15、 Corp.,Sunnyvale,CA,1986.Waters Innovative Methods for Anion Analysis,Waters Chromatography Divisionof Millipore,Method A 107 and A 116,1990.Haddad,P.R.,and Jackson,P.E.,Ion Chromatography:Principles andApplications,Elsevier Scientific Publishing Co.,1990.3For referenced ASTM standards,visit the AST
16、M website,www.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.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.Terminology3.1 DefinitionsFor definitions of terms used in this testmethod,refer to Terminology D1129.3.2 Definitions of Terms Specif
