1、Designation:E177507Standard Guide forEvaluating Performance of On-Site Extraction and Field-Portable Electrochemical or Spectrophotometric Analysisfor Lead1This standard is issued under the fixed designation E1775;the number immediately following the designation indicates the year oforiginal adoptio
2、n or,in the case 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 standard provides guidelines for determining theperformance of field-portable
3、 quantitative lead analysis instru-ments.1.2 This guide applies to field-portable electroanalytical andspectrophotometric(including reflectance and colorimetric)analyzers.1.3 Sample matrices of concern herein include paint,dust,soil,and airborne particles.1.4 This guide addresses the desired perform
4、ance character-istics of field-based sample extraction procedures for lead,aswell as on-site extraction followed by field-portable analysis.1.5 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 e
5、stablish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D5438 Practice for Collection of Floor Dust for ChemicalAnalysisD6785 Test Method for Determination of Lead in WorkplaceAir Using Flame
6、or Graphite Furnace Atomic AbsorptionSpectrometryD6966 Practice for Collection of Settled Dust SamplesUsing Wipe Sampling Methods for Subsequent Determi-nation of MetalsD7035 Test Method for Determination of Metals and Met-alloids in Airborne Particulate Matter by InductivelyCoupled Plasma Atomic Em
7、ission Spectrometry(ICP-AES)D7144 Practice for Collection of Surface Dust by Micro-vacuum Sampling for Subsequent Metals DeterminationE1605 Terminology Relating to Lead in BuildingsE1613 Test Method for Determination of Lead by Induc-tively Coupled Plasma Atomic Emission Spectrometry(ICP-AES),Flame
8、Atomic Absorption Spectrometry(FAAS),or Graphite Furnace Atomic Absorption Spec-trometry(GFAAS)TechniquesE1644 Practice for Hot Plate Digestion of Dust WipeSamples for the Determination of LeadE1645 Practice for Preparation of Dried Paint Samples byHotplate or Microwave Digestion for Subsequent Lead
9、AnalysisE1726 Practice for Preparation of Soil Samples by HotplateDigestion for Subsequent Lead AnalysisE1727 Practice for Field Collection of Soil Samples forSubsequent Lead DeterminationE1729 Practice for Field Collection of Dried Paint Samplesfor Subsequent Lead DeterminationE1792 Specification f
10、or Wipe Sampling Materials for Leadin Surface DustE1864 Practice for Evaluating Quality Systems of Organi-zations Conducting Facility and Hazard Assessments forLead in Paint,Dust,Airborne Particulate,and Soil in andaround Buildings and Related Structures(Withdrawn2011)32.2 U.S.EPA Documents:4EPA 600
11、/R-93/200 Standard Operating Procedure for theField Analysis of Lead in Paint,Bulk Dust,and Soil byUltrasonic,Acid Digestion and Colorimetric Measurement(1993)EPA 747-R-92-001 Laboratory Accreditation Guidelines:Measurement of Lead in Paint,Dust,and Soil(1992)1This guide is under the jurisdiction of
12、 ASTM Committee E06 on Performanceof Buildings and is the direct responsibility of Subcommittee E06.23 on LeadHazards Associated with Buildings.Current edition approved Aug.1,2007.Published August 2007.Originallyapproved in 1996.Last previous edition approved in 2001 as E1775 01.DOI:10.1520/E1775-07
13、.2For referenced ASTM standards,visit the ASTM 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.3The last approved version of this historical standard is referen
14、ced onwww.astm.org.4Available from United States Environmental Protection Agency(EPA),ArielRios Bldg.,1200 Pennsylvania Ave.,NW,Washington,DC 20460,http:/www.epa.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.Terminology3.1 For def
15、initions of terms not listed here,see TerminologyE1605.3.2 anodic stripping voltammetryan electroanalyticaltechnique in which the concentration of analyte metal speciesdissolved in solution is determined in the following manner:The analyte is first deposited(preconcentrated)electrochemi-cally by red
16、ucing the dissolved ion in solution to immobilizedmetal species at an electrode surface(such as mercury orbismuth).The metal is deposited at an applied potential(voltage)which is negative of the standard oxidation potentialfor the metal/ion redox couple.After deposition,the precon-centrated metal species is then stripped from the electrode byapplying a positive potential sweep,which causes anodicoxidation of the analyte metal species to dissolved ion.Thecurrent associated with this reoxidation i
