1、Designation:B982141Standard Specification forSampling and Sample Preparation of Lead and Lead Alloysfor Optical Emission Spectrometric or ICP Analysis1This standard is issued under the fixed designation B982;the number immediately following the designation indicates the year oforiginal adoption or,i
2、n 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.1NOTESection 13.4.2 was corrected editorially in January 2016.1.Scope1.1 This specification covers
3、the sampling of lead and leadalloys to obtain a sample suitable for quantitative opticalemission spectrochemical analysis.Included are procedures forsample preparation,obtaining representative samples frommolten metal,from fabricated,or cast products that can bemelted,and from other forms that canno
4、t be melted.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 This standard does not purport to address all of thesafety concerns,if
5、 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.2.Referenced Documents2.1 The following documents of the issue in effect on thedate of mater
6、ial purchase form a part of this specification to theextent referenced herein.2.2 ASTM Standards:2E29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE37 Test Methods for Chemical Analysis of Pig LeadE88 Practice for Sampling Nonferrous Metals and Alloys
7、 inCast Form for Determination of Chemical CompositionE177 Practice for Use of the Terms Precision and Bias inASTM Test MethodsE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test Method3.Significance and Use3.1 This specification,used in conjunction with an appr
8、o-priate quantitative optical emission spectrochemical method,issuitable for use in manufacturing control,material or productacceptance,and development and research.4.Ordering Information4.1 Orders for refined lead under this specification shallinclude the following information:4.1.1 ASTM designatio
9、n and year of issue,4.1.2 Quantity(weight),4.1.3 Name of material(for example,pure lead),4.1.4 Size and shape(see Section 7),4.1.5 Grade,and4.1.6 Certification or test report if specified(Section 13).5.Materials and Manufacture5.1 Lead shall be supplied in commercial standard forms orshapes requeste
10、d by the purchaser in the following grades:5.1.1 Low bismuth low silver pure lead,5.1.2 Refined pure lead,5.1.3 Pure lead,and5.1.4 Chemical copper lead.5.1.5 Calcium alloys.5.1.6 Antimony alloys.5.2 The grade of lead listed in 5.1.1 5.1.6 shall beproduced by any smelting and refining process from or
11、e orrecycled materials to meet the chemical requirements of thisspecification.6.Composition6.1 This specification shall apply to lead alloys that containgreater than 80%Pb and meet the requirements of 5.2 formaterial manufacture.7.Sizes and Shapes7.1 Pigs shall weigh up to a nominal 110 lb(50 kg).1T
12、his specification is under the jurisdiction of ASTM Committee B02 onNonferrous Metals and Alloys and is the direct responsibility of SubcommitteeB02.02 on Refined Lead,Tin,Antimony,and Their Alloys.Current edition approved Oct.1,2014.Published April 2015.Originallyapproved in 2012.Last previous edit
13、ion approved in 2012 as B982 12.DOI:10.1520/B098214E01.2For 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.Copyright A
14、STM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 7.2 Blocks or hogs shall be square or oblong and weigh upto 2530 lb(1150 kg).8.Appearance8.1 The lead shall be reasonably free from surfacecorrosion,surface cavities,excessive condensation or water,and
15、 adhering foreign material.9.Lot9.1 All lead of the same type produced and cast at one timeshall constitute a lot for chemical analysis.Each pig or block ofthe lot shall bear a single identifying number that can be relatedto the manufacturing lot.10.Sampling for Chemical Analysis10.1 The sample for
16、chemical analysis shall be selected byone of the following methods:10.1.1 Test samples taken form the lot during castingapplies to all materials.10.1.2 Test samples taken from the final solidified castproduct,for all materials except 5.1.5,calcium alloys.10.2 Sampling for Lot AnalysisThe supplier may obtainsamples from the lot of molten metal during casting.A sampleshould be taken at the beginning,middle and end of casting.Allor part of these samples may be cast into shapes suitable for usein sp
