1、Designation:D743921Standard Test Method forDetermination of Elements in Airborne Particulate Matter byInductively Coupled PlasmaMass Spectrometry1This standard is issued under the fixed designation D7439;the number immediately following the designation indicates the year oforiginal adoption or,in th
2、e 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 test method specifies a procedure for samplepreparation and analysis of airborne partic
3、ulate matter for thecontent of metals and metalloids in workplace air samplesusing inductively coupled plasmamass spectrometry(ICP-MS).This test method can be used for other air samplesprovided the user ensures the validity of the test method(byensuring that appropriate data quality objectives can b
4、eachieved).1.2 This test method assumes that samples will have beencollected in accordance with Test Method D7035 with consid-eration of guidance regarding wall deposits provided in GuideD8358.1.3 This test method should be used by analysts experiencedin the use of ICP-MS,the interpretation of spect
5、ral and matrixinterferences and procedures for their correction.1.4 This test method specifies a number of alternativemethods for preparing test solutions from samples of airborneparticulate matter.One of the specified sample preparationmethods is applicable to the measurement of soluble metal ormet
6、alloid compounds.Other specified methods are applicableto the measurement of total metals and metalloids.1.5 It is the users responsibility to ensure the validity of thistest method for samples collected from untested matrices.1.6 Table 1 provides a non-exclusive list of metals andmetalloids for whi
7、ch one or more of the sample dissolutionmethods specified in this document is applicable.1.7 This test method is not applicable to compounds ofmetals and metalloids that are present in the gaseous or vaporstate.1.8 Table 3 provides examples of instrumental detectionlimits(IDL)that can be achieved wi
8、th this test method.Table5 provides examples of method detection limits(MDL)thatcan be achieved.1.9 No detailed operating instructions are provided becauseof differences among various makes and models of suitableICP-MS instruments.Instead,the analyst shall follow theinstructions provided by the manu
9、facturer of the particularinstrument.This test method does not address comparativeaccuracy of different devices or the precision between instru-ments of the same make and model.1.10 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard
10、.1.11 This test method contains notes that are explanatoryand are not part of the mandatory requirements of the method.1.12 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-priat
11、e safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.13 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopmen
12、t of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D1193 Specification for Reagent WaterD1356 Terminology Relating to Sampling and Analysis ofAtmospheresD4185 Test Method f
13、or Measurement of Metals in Work-place Atmospheres by Flame Atomic Absorption Spectro-photometryD4840 Guide for Sample Chain-of-Custody ProceduresD5011 Practices for Calibration of Ozone Monitors UsingTransfer StandardsD6785 Test Method for Determination of Lead in Workplace1This test method is unde
14、r the jurisdiction of ASTM Committee D22 on AirQuality and is the direct responsibility of Subcommittee D22.04 on Workplace AirQuality.Current edition approved Sept.1,2021.Published October 2021.Originallyapproved in 2008.Last previous edition approved in 2014 as D7439 14.DOI:10.1520/D7439-21.2For r
15、eferenced 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Cons
16、hohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1Air Using Flame or Graphite Furnace Atomic AbsorptionSpectrometryD7035 Test Method for Determination of Metals and Met-alloids in Airborne Particulat
