ASTM_E_1915_-_13.pdf

Designation:E191513Standard Test Methods forAnalysis of Metal Bearing Ores and Related Materials forCarbon,Sulfur,and Acid-Base Characteristics1This standard is issued under the fixed designation E1915;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.1.Scope1.1 These test methods cover the determination of totalcarbon and sulfur and acid-base characteristics in metal bearingores and related materials such as leach residues,tailings,andwaste rock within the following ranges:AnalyteApplication Range,%Quantitative Range,%Total Carbon0 to 100.08 to 10Total Sulfur0 to 8.80.023 to 8.8NOTE1The test methods were tested over the following ranges:Total Carbon0.01%to 5.87%Total Sulfur0.0002%to 4.70%Residual Carbon from Pyrolysis0.002%to 4.97%Residual Sulfur from Pyrolysis0.014%to 1.54%Pyrolysis Loss Sulfur0%to 4.42%Hydrochloric Acid Insoluble Carbon0.025%to 0.47%Hydrochloric Acid Loss Carbon0%to 5.78%Hydrochloric Acid Insoluble Sulfur0.012%to 4.20%Acid Neutralization Potential Acidity Titration-1.0%to 100%Acid Neutralization Potential Acidity Titration Low Range-1.0%to 2%CaCO3Nitric Acid Insoluble Sulfur0.006%to 0.924%Nitric Acid Loss Sulfur-0.08%to 4.19%Sodium Carbonate Insoluble Sulfur0.007%to 3.78%1.2 The quantitative ranges for the partial decompositiontest methods are dependent on the mineralogy of the samplesbeing tested.The user of these test methods is advised toconduct an interlaboratory study in accordance with PracticeE1601 on the test methods selected for use at a particularmining site,in order to establish the quantitative ranges forthese test methods on a site-specific basis.1.3 The test methods appear in the following order:SectionsCarbon and Sulfur,Total10.1-10.9Carbon and Sulfur,Residual from Pyrolysis10.10-10.18Carbon and Sulfur,Hydrochloric Acid Insoluble10.19-10.27Acid Neutralization Potential Acidity Titration10.28-10.36Acid Neutralization Potential Acidity Titration Low Range10.37-10.46Sulfur,Nitric Acid Insoluble10.47-10.55Sulfur,Sodium Carbonate Insoluble10.56-10.641.4 The values stated in SI units are to be regarded asstandard.1.5 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 limitations prior to use.Specific warningstatements are given in Section 6.2.Referenced Documents2.1 ASTM Standards:2D1067 Test Methods for Acidity or Alkalinity of WaterD1193 Specification for Reagent WaterD1976 Test Method for Elements in Water by Inductively-Coupled Argon Plasma Atomic Emission SpectroscopyD5673 Test Method for Elements in Water by InductivelyCoupled PlasmaMass SpectrometryD5744 Test Method for Laboratory Weathering of SolidMaterials Using a Humidity CellD6234 Test Method for Shake Extraction of Mining Wasteby the Synthetic Precipitation Leaching ProcedureE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE50 Practices for Apparatus,Reagents,and Safety Consid-erations for Chemical Analysis of Metals,Ores,andRelated MaterialsE135 Terminology Relating to Analytical Chemistry forMetals,Ores,and Related MaterialsE882 Guide for Accountability and Quality Control in theChemical Analysis LaboratoryE1019 Test Methods for Determination of Carbon,Sulfur,Nitrogen,and Oxygen in Steel,Iron,Nickel,and CobaltAlloys by Various Combustion and Fusion TechniquesE1601 Practice for Conducting an Interlaboratory Study toEvaluate the Performance of an Analytical MethodE1950 Practice for Reporting Results from Methods ofChemical Analysis1These test methods are under the jurisdiction of ASTM Committee E01 onAnalytical Chemistry for Metals,Ores,and Related Materials and are the directresponsibility of Subcommittee E01.02 on Ores,Concentrates,and Related Metal-lurgical Materials.Current edition approved April 1,2013.Published September 2013.Originallyapproved in 1997.Last previous edition approved in 2011 as E1915 11.DOI:10.1520/E1915-13.2For 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 ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 E2242 Test Method for Column Percolation Extraction ofMine Rock by the Meteoric Water Mobility Procedure3.Terminology3.1 DefinitionsFor definitions of terms used in these testmethods,refer to Terminology E135.3.2 Definitions of Terms Specific to This Standard:3.2.1 standardization,vanalysis of samples with knownvalues or known additions,prior to and within groups of tes