ASTM_D_1301_-_91_2020.pdf

Designation:D130191(Reapproved 2020)Standard Test Methods forChemical Analysis of White Lead Pigments1This standard is issued under the fixed designation D1301;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 of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 These test methods cover procedures for the chemicalanalysis of basic carbonate white lead and basic sulfate whitelead.NOTE1If it is necessary to separate these pigments from others,referto Practice D215.1.2 The analytical procedures appear in the following order:SectionPreparation of Sample6Basic Carbonate White Lead:Small Amounts of Iron7Total Lead8Moisture and Other Volatile Matter9Carbon Dioxide(Evolution Method)10Carbon Dioxide and Combined Water(Combustion Method)11Lead Carbonate12Total Matter Insoluble in Acetic Acid13Total Matter Insoluble in Acid Ammonium Acetate14Total Impurities Other Than Moisture15Coarse Particles16Basic Sulfate White Lead:Small Amounts of Iron17Total LeadMoisture and Other Volatile Matter19Total Sulfate20Zinc Oxide21Basic Lead Oxide22Total Impurities23Coarse Particles241.3 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.4 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,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C25 Test Methods for Chemical Analysis of Limestone,Quicklime,and Hydrated LimeD185 Test Methods for Coarse Particles in PigmentsD215 Practice for the Chemical Analysis of White LinseedOil Paints(Withdrawn 2005)3D280 Test Methods for Hygroscopic Moisture(and OtherMatter Volatile Under the Test Conditions)in PigmentsD1193 Specification for Reagent WaterD2371 Test Method for Pigment Content of Solvent-Reducible PaintsD2372 Practice for Separation of Vehicle From Solvent-Reducible PaintsD3280 Test Methods for Analysis of White Zinc PigmentsE11 Specification for Woven Wire Test Sieve Cloth and TestSieves3.Significance and Use3.1 These test methods are suitable for determining the levelof purity and for determining the levels of various impurities.They may be used to establish compliance with specificationrequirements.4.Reagents4.1 Purity of ReagentsReagent grade chemicals shall beused in all tests.Unless otherwise indicated,it is intended thatall reagents shall conform to specifications of the Committeeon Analytical Reagents of the American Chemical Society,1These test methods are under the jurisdiction of ASTM Committee D01 onPaint and Related Coatings,Materials,and Applications and are the directresponsibility of Subcommittee D01.31 on Pigment Specifications.Current edition approved June 1,2020.Published June 2020.Originallyapproved in 1953.Last previous edition approved in 2014 as D1301 91(2014).DOI:10.1520/D1301-91R20.2For 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 referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,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.where such specifications are available.4Other grades may beused,provided it is first ascertained that the reagent is ofsufficiently high purity to permit its use without lessening theaccuracy of the determination.4.2 Purity of WaterUnless otherwise indicated,referencesto water shall be understood to mean reagent water conformingto Type II of Specification D1193.4.3 Concentration of Reagents:4.3.1 Concentrated Acids and Ammonium HydroxideWhen acids and ammonium hydroxide are specified by nameor chemical formula only,it shall be understood that concen-trated reagents of the following specific gravities or concen-trations are intended:Acetic acid,CH3COOH99.5%Hydrochlori