【英文标准名称】:Determinationofboron(III)oxideinrefractoryproducts-Part1:Determinationoftotalboron(III)oxideinoxidicmaterialsforceramics,glassandglazes
【原文标准名称】:耐火制品中氧化硼(III)的测定.第1部分:陶瓷、玻璃和釉料用氧化物材料中总氧化硼(III)的测定
【标准号】:ISO21078-1-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-01
【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/TC33
【标准类型】:()
【标准水平】:()
【中文主题词】:吸收分光光度测定法;分析;氧化硼;硼;陶瓷;化学分析和测试;定义;含量测定;玻璃;釉料;质量浓度;材料;材料测试;氧化物;定量分析;原材料;耐熔制品;试验;试样制备;测试;滴定法
【英文主题词】:Absorptionspectrophotometry;Analysis;Boricoxide;Boron;Ceramics;Chemicalanalysisandtesting;Definitions;Determinationofcontent;Glass;Glazes;Massconcentration;Materials;Materialstesting;Oxides;Quantitativeanalysis;Rawmaterials;Refractoryproducts;Specimenpreparation;Testing;Titrimetry
【摘要】:ThispartofISO21078specifiesmethodsofdeterminingboron(lli)oxideinrefractoryproductsandrawmaterials,inmassfractionsof0,01%orgreater.Itisapplicabletothedeterminationoftotalboron(lll)oxideinoxidicmaterialsforceramics,glassandglazes.Thedeterminationofboron(lll)oxideiscarriedoutusingoneofthefollowingfourmethods:a)alkalinetitrimetry,whichisappliedtosamplescontainingmorethan0,5%bymassofboron(lll)oxide;b)azomethineHabsorptionspectrophotometry,whichisappliedtosamplescontainingfrom0,01%bymassto2,5%bymassofboron(lll)oxide;c)curcuminabsorptionspectrophotometry(rothocyaninemethod),whichisappliedtosamplescontainingfrom0,01%bymassto1,0%bymassofboron(lll)oxide;d)inductivelycoupledplasmaatomicemissionspectrometry(ICP-AES),whichisappliedtosamplescontainingfrom0,01%bymassto15%bymassofboron(lll)oxide.NOTE1Themethodcanbeextendedto30%boron(lll)oxideusingmodifiedoxidicfluxesNOTE2InterlaboratorytestresultsforthispartofISO21078aregiveninAnnexA.
【中国标准分类号】:Q40
【国际标准分类号】:81_040_01;81_060_01
【页数】:16P;A4
【正文语种】:英语