【英文标准名称】:Methodsoftestforaluminiumoxide.Determinationofboroncontent
【原文标准名称】:氧化铝的试验方法.硼含量的测定
【标准号】:BS4140-19-1986
【标准状态】:现行
【国别】:英国
【发布日期】:1986-02-28
【实施或试行日期】:1986-02-28
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:铝;氧化铝;硼;校准;化学分析和测试;络合方法;含量测定;尺寸规格;蒸馏分析法;生产;冶金工艺学;试样制备;分光光度法;试验设备
【英文主题词】:Aluminium;Aluminiumoxide;Boron;Calibration;Chemicalanalysisandtesting;Complexingmethods;Determinationofcontent;Dimensions;Distillationmethodsofanalysis;Production;Productionmetallurgy;Specimenpreparation;Spectrophotometry;Testequipment
【摘要】:ThisInternationalStandardspecifiesacurcuminspectrophotometricmethodforthedeterminationoftheboroncontentofaluminiumoxideprimarilyusedfortheproductionofaluminium.Themethodisapplicabletoboroncontents,expressedasboronoxide(B2O3),greaterthan0,0006%(i.e.0,0002%expressedasboron(B)).NOTE—Thesensitivityofthemethod,asmaybegatheredfromthecalibrationcurve,isinfacthigher.Inthecaseofaverylowblankreading,andwithsufficientlysensitiveapparatus,thelowerlimitofapplicationofthemethodmaybeextendedto0,00008%ofboronoxide(B2O3),correspondingto0,000025%ofboron(B).
【中国标准分类号】:G13
【国际标准分类号】:71_100_10
【页数】:10P.;A4
【正文语种】:英语