BS EN ISO 21078-1-2008 耐火制品中氧化硼(III)的测定.陶瓷,玻璃和釉料用氧化材料的氧化硼(III)总量的测定

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【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.陶瓷,玻璃和釉料用氧化材料的氧化硼(III)总量的测定
【标准号】:BSENISO21078-1-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-09-30
【实施或试行日期】:2008-09-30
【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】:吸收分光光度测定法;分析;硼;氧化硼;陶瓷;化学分析和测试;定义;定义(术语);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;试样制备;试验;滴定法
【英文主题词】:Absorptionspectrophotometry;Analysis;Boron;Boronoxides;Ceramics;Chemicalanalysisandtesting;Definition;Definitions;Determinationofcontent;Glass;Glazes;Massconcentration;Materials;Materialstesting;Oxides;Quantitativeanalysis;Rawmaterials;Refractoryproducts;Specimenpreparation;Testing;Titrimetry
【摘要】:ThispartofISO21078specifiesmethodsofdeterminingboron(III)oxideinrefractoryproductsandrawmaterials,inmassfractionsof0,01%orgreater.Itisapplicabletothedeterminationoftotalboron(III)oxideinoxidicmaterialsforceramics,glassandglazes.Thedeterminationofboron(III)oxideiscarriedoutusingoneofthefollowingfourmethods:a)alkalinetitrimetry,whichisappliedtosamplescontainingmorethan0,5%bymassofboron(III)oxide;b)azomethineHabsorptionspectrophotometry,whichisappliedtosamplescontainingfrom0,01%bymassto2,5%bymassofboron(III)oxide;c)curcuminabsorptionspectrophotometry(rothocyaninemethod),whichisappliedtosamplescontainingfrom0,01%bymassto1,0%bymassofboron(III)oxide;d)inductivelycoupledplasmaatomicemissionspectrometry(ICP-AES),whichisappliedtosamplescontainingfrom0,01%bymassto15%bymassofboron(III)oxide.NOTE1Themethodcanbeextendedto30%boron(III)oxideusingmodifiedoxidicfluxes.NOTE2InterlaboratorytestresultsforthispartofISO21078aregiveninAnnexA.
【中国标准分类号】:Q40
【国际标准分类号】:81_080;81_040_01;81_060_01
【页数】:26P.;A4
【正文语种】:英语