【英文标准名称】:StandardPracticeforSilverCorrectionsinMetalBearingOres,Concentrates,andRelatedMetallurgicalMaterialsbyFireAssaySlagRecyclingandCupelProofGravimetry
【原文标准名称】:通过燃烧试验熔渣再利用和灰皿验证重量测定法修正含金属矿、精矿和相关冶金材料中的银值的标准规程
【标准号】:ASTME2296-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E01.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:cupellation;fireassay;silver;silvercorrection
【摘要】:Thispracticeisprimarilyintendedtobeusedforthecorrectionofsilverlossinthefireassayprocess.Silvercontentsaredeterminedbyfireassayforthepurposeofmetallurgicalexchangebetweenbuyerandseller.Itisassumedthatallwhousethispracticewillbetrainedanalystscapableofperformingskillfullyandsafely.ItisexpectedthatworkwillbeperformedinaproperlyequippedlaboratoryunderappropriatequalitycontrolpracticessuchasthosedescribedinGuideE882.TABLE1SlagRe-FusionFluxlitharge
55.4g
sodiumcarbonate
9.3g
silicasand
9.4g
potassiumbitartrate
7.3g
borax
18.7g