【英文标准名称】:Chemicalanalysisofsilicon-carbide-containingrawmaterialsandrefractoryproducts-Part1:Generalinformationandsamplepreparation
【原文标准名称】:含有碳化硅原材料和耐火制品的化学分析.第1部分:一般信息和试样制备
【标准号】:ISO21068-1-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-08
【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】:分析;分析方法;碳化物;碳;陶瓷;化学分析和测试;组件;定义;材料;材料测试;普通陶瓷;含氧量;原材料;耐熔的;耐火材料;耐熔制品;试样制备;样本制备;试样;抽样方法;碳化硅;硅无机化合物;试验报告;测试
【英文主题词】:Analysis;Analysismethods;Carbides;Carbon;Ceramics;Chemicalanalysisandtesting;Components;Definitions;Materials;Materialstesting;Ordinaryceramics;Oxygencontent;Rawmaterials;Refractory;Refractorymaterials;Refractoryproducts;Samplepreparation;Samples;Samplingmethods;Siliconcarbide;Siliconinorganiccompounds;Specimenpreparation;Testreports;Testing
【摘要】:ThispartofISO21068givesdefinitionsandspecifiestechniquesforthepreparationofsamplesforthechemicalanalysisofsilicon-carbidercontainingrawmaterialsandrefractoryproductsincluding:a)graphitebdckcontainingsiliconcarbide;b)siliconcarbidebrick(includesthebrickscontainingsiliconnitride);c)refractoriescontainingcarbonand/orsiliconcarbidemixedwithclay;d)refractadescontainingcarbonand/orsiliconcarbidemixedwithsilica(andfusedsilica);e)refractoriescontainingcarbonand/orsiliconcarbidemixedwithhighaluminamaterial;f)refractoriescontainingcarbonand/orsiliconcarbidemixedwithmagnesia(anddolomite);g)refractoriescontainingcarbonand/orsiliconcarbidemixedwithchromemineralormagnesiachromematerials;h)refractoriescontainingcarbonand/orsiliconcarbideexceptthosedescribedina)tog)above.TheitemsofchemicalanalysisdescribedinISO21068,Parts1to3areasfollows:1)lossondrying(LOD);2)lossonignition(LOI);3)totalcarbon,Ctotal;4)freecarbon,Ceee;5)siliconcarbide,SiC;6)freesilicon(Si);7)freealuminium(Al);8)freemagnesium(Mg);9)freeiron(Fe);10)silicon(IV)oxide(SiO2);11)aluminiumoxide(AI203);12)iron(Ill)oxide(totalironoxidecalculatedasFe203);13)titanium(IV)oxide(TiO2);14)calciumoxide(CaO);15)magnesiumoxide(MgO);16)sodiumoxide(Na20);17)potassiumoxide(K20);18)chromium(Ig)oxide(0r203);19)zirconiumoxide(ZrO2);20)boronoxide(totalboroncalculatedasB203);21)nitrogen;22)oxygen;23)nitrides(undifferentiated:Si3N4,AIN,BN,sialon,oxy-nitrides,etc.).
【中国标准分类号】:Q40
【国际标准分类号】:81_080
【页数】:8P;A4
【正文语种】:英语