1、Designation:D 3269 96(Reapproved 2001)e1Standard Test Methods forAnalysis for Fluoride Content of the Atmosphere and PlantTissues(Manual Procedures)1,2This standard is issued under the fixed designation D 3269;the number immediately following the designation indicates the year oforiginal adoption or
2、,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon(e)indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.e1NOTEFootnotes
3、 were deleted editorially throughout in March 2001.1.Scope1.1 These test methods describe manual procedures for thedetermination of fluoride in various types of samples.Theprocedures outlined,consequently,are appropriate to the analy-sis of ambient air samples taken by diverse sampling tech-niques w
4、hen properly applied.1.2 The values stated in SI units are to be regarded as thestandard.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 health practices a
5、nd determine the applica-bility of regulatory limitations prior to use.Specific precau-tionary statements are given in 10.7.1.3 and Ref(9).2.Referenced Documents2.1 ASTM Standards:D 1193 Specification for Reagent Water3D 1356 Terminology Relating to Sampling and Analysis ofAtmospheres4D 1357 Practic
6、e for Planning the Sampling of the AmbientAtmosphere4D 3267 Test Method for Separation and Collection of Par-ticulate and Water-Soluble Fluorides in the Atmosphere(Filter and Impinger Method)4D 3268 Test Method for Separation and Collection of Par-ticulate and Gaseous Fluorides in theAtmosphere(Sodi
7、umBicarbonate-Coated Glass Tube and Particulate FilterMethod)4D 3270 Test Methods of Analysis for Fluoride Content ofthe Atmosphere and Plant Tissues(SemiautomatedMethod)4E 1 Specification for ASTM Thermometers53.Terminology3.1 DefinitionsFor definitions of terms used in this testmethod,see Terminol
8、ogy D 1356.4.Summary of Test Methods4.1 Fundamentally,isolation of the fluoride followed byanalytis constitutes each of the methods.Because of the widerange of types of samples and the care required in the analysisto provide a representative sample,reliable isolation of thefluoride,and accurate meas
9、urement,the methods are prefacedby discussion of general precautions and sample preparation asapplied to specific cases.5.Significance and Use5.1 These test methods may be used for the determination ofthe fluoride content of particulate matter and gases collected inthe atmosphere by passive and acti
10、ve monitors,including plantmaterial.The user is warned that the fluoride content of passivecollectors(including plant materials)gives a qualitative orsemiquantitative measure of atmospheric concentrations ordeposition rates of fluorides.6.Apparatus6.1 Crucible,nickel,inconel,or platinum.6.2 Beakers,
11、nickel or platinum.6.3 Muffle Furnace.6.4 Wiley Cutting Mill.1These test methods are under the jurisdiction of ASTM Committee D22 onSampling and Anlysis of Atmospheres and are the direct responsibility of Subcom-mittee D22.03 on Ambient Atmospheres and Source Emissions.Current edition approved April
12、 10,1996.Published June 1996.Originallypublished as D3269 73 T.Last previous edition D3269 91e1.2These test methods were originally written by the Intersociety Committee onMethods for Ambient Air Sampling and Analysis and published as“TentativeMethods of Analysis for Fluoride Content of the Atmosphe
13、re and Plant Tissues(Manual Methods)”12204-01-68T pp.246265,Methods of Air Sampling andAnalysis,1972,Parts AF and 12202-01-72T,pp.304307,Health LaboratoryScience,Vol 9,No.4,October 1972.This revision has been adapted from“Methodsof Air Sampling and Analysis,”Intersociety Committee,edited by James P.
14、Lodge,Jr.,3rd Edition,Lewis Publishers,Inc.,1989,pp.344346 and 352356.Themethods are presented here essentially as published.The individuals participating inthe Intersociety Committee work and the sources of the methods are referenced inthe publications cites.3Annual Book of ASTM Standards,Vol 11.01
15、4Annual Book of ASTM Standards,Vol 11.03.5Annual Book of ASTM Standards,Vol 14.03.1Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959,United States.7.Reagents and Materials7.1 Purity of ReagentsReagents shall conform to thespecifications of the Committee o
16、n Analytical Reagents of theAmerican Chemical Society,where such specifications areavailable.67.2 Purity of WaterWater shall be Type II reagent waterconforming to Specification D 1193.Additionally,the waterused in the sampling and analytical procedure shall be dem-onstrated by testing with a specific ion electrode or byconcentration and photometric analysis to contain less than0.005 g/mL of F.7.3 Calcium Oxide,(CaO),with known low fluoride con-centration.7.4 Hydrochloric Acid,(2%)Dilute 5 mL of
