1、Designation:D501192(Reapproved 2009)Standard Practices forCalibration of Ozone Monitors Using Transfer Standards1This standard is issued under the fixed designation D5011;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of la
2、st 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 practices describe means for calibrating ambient,workplace or indoor ozone monitors,using transfer standards.1.2 These
3、practices describe five types of transfer standards:(A)Analytical instruments(B)Boric acid potassium iodide(BAKI)manual analyticalprocedure(C)Gas phase titration with excess nitric oxide(D)Gas phase titration with excess ozone(E)Ozone generator device.1.3 These practices describe procedures to estab
4、lish theauthority of transfer standards:qualification,certification,andperiodic recertification.1.4 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 health prac
5、tices and determine the applica-bility of regulatory limitations prior to use.See Section 8 forspecific precautionary statements.2.Referenced Documents2.1 ASTM Standards:2D1071 Test Methods for Volumetric Measurement of Gas-eous Fuel SamplesD1193 Specification for Reagent WaterD1356 Terminology Rela
6、ting to Sampling and Analysis ofAtmospheresD3195 Practice for Rotameter CalibrationD3249 Practice for General Ambient Air Analyzer Proce-duresD3631 Test Methods for Measuring Surface AtmosphericPressureD5110 Practice for Calibration of Ozone Monitors andCertification of Ozone Transfer Standards Usin
7、g Ultravio-let PhotometryE591 Practice for Safety and Health Requirements Relatingto Occupational Exposure to Ozone(Withdrawn 1990)32.2 Other Documents:40 CFR Part 50,Environmental Protection Agency Regula-tions on Ambient Air Monitoring Reference Methods43.Terminology3.1 For definitions of terms us
8、ed in this standard,seeTerminology D1356.3.2 Definitions of Terms Specific to This Standard:3.2.1 primary standarda standard directly defined andestablished by some authority,against which all secondarystandards are compared.3.2.2 secondary standarda standard used as a means ofcomparison,but checked
9、 against a primary standard.3.2.3 standardan accepted reference sample or deviceused for establishing measurement of a physical quantity.3.2.4 transfer standarda type of secondary standard.It isa transportable device or apparatus,which,together withoperational procedures,is capable of reproducing po
10、llutantconcentration or producing acceptable assays of pollutantconcentrations.3.2.5 zero airpurified air that does not contain ozone anddoes not contain any other component that may interfere withthe measurement.See 7.1.3.3 Symbols:b=Spectrophotometer cell path length,cm.SeeAnnex A2.davg=Average of
11、 discrete single point comparisons.See Annex A1.di=Single point comparison.See Annex A1.FD=Diluent air flow,mL/min.FD=New diluent air flow,mL/min.FNO=NO flow,mL/min.1These practices are under the jurisdiction of ASTM Committee D22 on AirQuality and are the direct responsibility of Subcommittee D22.0
12、3 on AmbientAtmospheres and Source Emissions.Current edition approved March 1,2009.Published March 2009.Originallyapproved in 1989.Last previous edition approved in 2003 as D5011 92(2003).DOI:10.1520/D5011-92R09.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Custom
13、er 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.4Available from U.S.Government Printing Office Superintendent of Docum
14、ents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401,http:/www.access.gpo.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 FO=Flow through the O3generator,mL/min.FR=Flowrate corrected to reference conditions(25C and 101.3 kPa),m
15、L/min.See Annex A2.FS=Flowrate at sampling conditions,mL/min.SeeAnnex A2.FT=The total flow required at the output manifold(monitors demand plus 10 to 50%excess),mL/min.I=The intensity of light which passes through thephotometer absorption cell and is sensed by thedetector when the cell contains an O
16、3sample.See Annex A4.I2i=Concentration of each I2standard,mol I2/L.SeeAnnex A2.Iavg=Average intercept.See Annex A1.Ii=Individual intercepts.See Annex A1.IO=The intensity of light which passes through thephotometer absorption cell and is sensed by thedetector when the cell contains zero air.SeeAnnex A4.mavg=Average slope.See Annex A1.mi=Individual slopes.See Annex A1.mol I2=I2released,mols.See Annex A2.NKIO3=Normality of KIO3,equivalent/L.See AnnexA2.NO=Diluted NO concentration,ppm.See Annex A4.N