1、Designation:D85717Standard Test Method forAluminum in Water1This standard is issued under the fixed designation D857;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year
2、 of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This test method covers the direct flame atomic absorp-tion determination of aluminum in the nitrous oxide-acetyleneflame.1.2 This test method is applicable to waters containingd
3、issolved and total recoverable aluminum in the range from 0.5to 5.0 mg/L.Aluminum concentrations as high as approxi-mately 50 mg/L can be determined using this test methodwithout dilution.However,no precision and bias data areavailable for concentrations greater than 5.0 mg/L.1.3 This test method wa
4、s tested on reagent,natural,andpotable waters.It is the users responsibility to ensure thevalidity of this test method for waters of untested matrices.1.4 The same digestion procedure may be used to determinetotal recoverable nickel(Test Methods D1886),chromium(Test Methods D1687),cobalt(Test Method
5、s D3558),copper(Test Methods D1688),iron(Test Methods D1068),lead(TestMethods D3559),manganese(Test Methods D858),and zinc(Test Methods D1691).1.5 Precision and bias data have been obtained on reagent,natural,and potable waters.It is the responsibility of the userto ensure the validity of this test
6、method on untested matrices.1.6 The values stated in SI units are to be regarded asstandard.The values given in parentheses are mathematicalconversion to inch-pound units that are provided for informa-tion only and are not considered standard.1.7 This standard does not purport to address all of thes
7、afety concerns,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 use.For specific hazardstatements,see 7.5,8.4,and Note 2.1.8 Former Test Method
8、s A(Fluorometric)and B and C(Spectrophotometric)were discontinued.Refer to AppendixX1 for historical information.1.9 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of
9、 International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D858 Test Methods for Manganese in WaterD1066 Practice for Sampling SteamD1068 Test Methods for Iron in WaterD1129 Terminolog
10、y Relating to WaterD1193 Specification for Reagent WaterD1687 Test Methods for Chromium in WaterD1688 Test Methods for Copper in WaterD1691 Test Methods for Zinc in WaterD1886 Test Methods for Nickel in WaterD2777 Practice for Determination of Precision and Bias ofApplicable Test Methods of Committe
11、e D19 on WaterD3370 Practices for Sampling Water from Closed ConduitsD3558 Test Methods for Cobalt in WaterD3559 Test Methods for Lead in WaterD4841 Practice for Estimation of Holding Time for WaterSamples Containing Organic and Inorganic ConstituentsD5673 Test Method for Elements in Water by Induct
12、ivelyCoupled PlasmaMass SpectrometryD5810 Guide for Spiking into Aqueous SamplesD5847 Practice for Writing Quality Control Specificationsfor Standard Test Methods for Water Analysis3.Terminology3.1 Definitions:3.1.1 For definitions of terms used in this standard,refer toTerminology D1129.3.2 Definit
13、ions of Terms Specific to This Standard:3.2.1continuing calibration blank,na solution contain-ing no analytes(of interest)which is used to verify blankresponse and freedom from carryover.1These test methods are under the jurisdiction of ASTM Committee D19 onWater and are the direct responsibility of
14、 Subcommittee D19.05 on InorganicConstituents in Water.Current edition approved June 1,2017.Published June 2017.Originallyapproved in 1945.Last previous edition approved in 2012 as D857 12.DOI:10.1520/D0857-17.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer
15、 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 19428-2
16、959.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.1 3.2.2 continuing calibration verificationa solution(or setof solutions)of known concentration used to verify freedomfrom excessive instrumental drift;the concentration
