1、Designation:C16916Standard Test Methods forChemical Analysis of Soda-Lime and Borosilicate Glass1This standard is issued under the fixed designation C169;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A num
2、ber 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 the quantitative chemicalanalysi
3、s of soda-lime and borosilicate glass compositions forboth referee and routine analysis.This would be for the usualconstituents present in glasses of the following types:(1)soda-lime silicate glass,(2)soda-lime fluoride opal glass,and(3)borosilicate glass.The following common oxides,whenpresent in c
4、oncentrations greater than indicated,are known tointerfere with some of the determinations in this method:2%barium oxide(BaO),0.2%phosphorous pentoxide(P2O5),0.05%zinc oxide(ZnO),0.05%antimony oxide(Sb2O3),0.05%lead oxide(PbO).1.2 The analytical procedures,divided into two generalgroups,those for re
5、feree analysis,and those for routineanalysis,appear in the following order:SectionsProcedures for Referee Analysis:Silica10BaO,R2O2(Al2O3+P2O5),CaO,and MgO11 15Fe2O3,TiO2,ZrO2by Photometry and Al2O3by Com-plexiometric Titration16 22Cr2O3by Volumetric and Photometric Methods23 25MnO by the Periodate
6、Oxidation Method26 29Na2O by the Zinc Uranyl Acetate Method and K2O bythe Tetraphenylborate Method30 33SO3(Total Sulfur)34 35As2O3by Volumetric Method36 40Procedures for Routine Analysis:Silica by the Single Dehydration Method42 44Al2O3,CaO,and MgO by Complexiometric Titration,and BaO,Na2O,and K2O b
7、y Gravimetric Method45 51BaO,Al2O3,CaO,and MgO by Atomic Absorption;andNa2O and K2O by Flame Emission Spectroscopy52 59SO3(Total Sulfur)60B2O361 62Fluorine by Pyrohydrolysis Separation and Specific IonElectrode Measurement63 66P2O5by the Molybdo-Vanadate Method67 70Colorimetric Determination of Ferr
8、ous Iron Using 1,10Phenanthroline71 761.3 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 and health practices and determine the applica-bility of regulatory limit
9、ations prior to use.2.Referenced Documents2.1 ASTM Standards:2C146 Test Methods for Chemical Analysis of Glass SandC225 Test Methods for Resistance of Glass Containers toChemical AttackD1193 Specification for Reagent WaterE50 Practices for Apparatus,Reagents,and Safety Consid-erations for Chemical A
10、nalysis of Metals,Ores,andRelated MaterialsE60 Practice for Analysis of Metals,Ores,and RelatedMaterials by Spectrophotometry3.Significance and Use3.1 These test methods can be used to ensure that thechemical composition of the glass meets the compositionalspecification required for the finished gla
11、ss product.3.2 These test methods do not preclude the use of othermethods that yield results within permissible variations.In anycase,the analyst should verify the procedure and techniqueemployed by means of a National Institute of Standards andTechnology(NIST)standard reference material having a co
12、m-ponent comparable with that of the material under test.Alist ofstandard reference materials is given in the NIST SpecialPublication 260,3current edition.3.3 Typical examples of products manufactured using soda-lime silicate glass are containers,tableware,and flat glass.3.4 Typical examples of prod
13、ucts manufactured using boro-silicate glass are bakeware,labware,and fiberglass.1These test methods are under the jurisdiction of ASTM Committee C14 onGlass and Glass Products and are the direct responsibility of Subcommittee C14.02on Chemical Properties and Analysis.Current edition approved April 1
14、,2016.Published May 2016.Originallyapproved in 1941.Last previous edition approved in 2011 as C169 92(2011).DOI:10.1520/C0169-16.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,r
15、efer to the standards Document Summary page onthe ASTM website.3Available from National Institute of Standards and Technology,Gaithersburg,MD 20899.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.5 Typical examples of products manufactu
16、red using fluo-ride opal glass are containers,tableware,and decorativeglassware.4.Purity of Reagents4.1 Reagent grade chemicals shall be used throughout.Unless otherwise indicated,it is intended that reagents shallconform to the specifications of the Committee on AnalyticalReagents of the American Chemical Society,where suchspecifications are available.4Other grades may be used,pro-vided it is first ascertained that the reagent is of sufficientlyhigh purity to permit its use without lessening th