【英文标准名称】:Aluminiumoxideprimarilyusedfortheproductionofaluminium;Determinationoftitaniumcontent;Diantipyrylmethanephotometricmethod
【原文标准名称】:主要用于铝生产的氧化铝钛含量的测定二安替吡啉基代甲烷光度法
【标准号】:ISO900-1977
【标准状态】:现行
【国别】:国际
【发布日期】:1977-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC47
【标准类型】:()
【标准水平】:()
【中文主题词】:钛;化学分析和试验;生产;氧化铝;分光光度测量分析;分光光度法;化学分析;铝;含量测定
【英文主题词】:Aluminium;Aluminiumoxide;Chemicalanalysisandtesting;Determinationofcontent;Production;Spectrophotometry;Titanium
【摘要】:Applicabletoallproductshavingatitaniumdioxidecontentofequaltoormorethan0.001%(m/m).Describesthepreparationofthediantipyrylmethanesolutionandthepreparationofthetitanumstandardsolution.TheprocedureofthepreparationofaprincipalsolutionorthechemicalanalysisbyanalkalinefusioniscarriedoutaccordingtoISO804replacingthenitricacidsolutionbythesulphuricone.Afterextractionofthefusedmasswithsulphuricacidsolutionformationofthetitanium-diantipyrylmethanecomplex(approximately4.6Nsolution).Photometricmeasurementofthecolouredcomplexatawavelengthofabout420nm.HasalsobeenapprovedbytheIUPAC.ReplacesandcancelsISORecommendationR900/1968ofwhichitconstitutesatechnicalrevision.
【中国标准分类号】:G10
【国际标准分类号】:71_100_10
【页数】:4P;A4
【正文语种】:英语