Designation:E1898−13StandardTestMethodforDeterminationofSilverinCopperConcentratesbyFlameAtomicAbsorptionSpectrometry1ThisstandardisissuedunderthefixeddesignationE1898;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofsilverintherangeof13µg/gto500µg/gbyaciddissolutionofthesilverandmeasurementbyatomicabsorptionspectrometry.Copperconcentratesareinternationallytradedwithinthefollowingcontentranges:ElementUnitContentRangeAluminum%0.05to2.50Antimony%0.0001to4.50Arsenic%0.01to0.50Barium%0.003to0.10Bismuth%0.001to0.16Cadmium%0.0005to0.04Calcium%0.05to4.00Carbon%0.10to0.90Chlorine%0.001to0.006Chromium%0.0001to0.10Cobalt%0.0005to0.20Copper%10.0to44.0Fluorine%0.001to0.10Goldµg/g1.40to100.0Iron%12.0to30.0Lead%0.01to1.40Magnesium%0.02to2.00Manganese%0.009to0.10Mercuryµg/g0.05to50.0Molybdenum%0.002to0.25Nickel%0.0001to0.08Silicon%0.40to20.0Silverµg/g18.0to8000Sulfur%10.0to36.0Tin%0.004to0.012Zinc%0.005to4.301.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortoitsuse.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE50PracticesforApparatus,Reagents,andSafetyConsid-erationsforChemicalAnalysisofMetals,Ores,andRelatedMaterialsE135TerminologyRelatingtoAnalyticalChemistryforMetals,Ores,andRelatedMaterialsE882GuideforAccountabilityandQualityControlintheChemicalAnalysisLaboratoryE1601PracticeforConductinganInterlaboratoryStudytoEvaluatet...
