【英文标准名称】:Paper,boardandpulps-Determinationofresidue(ash)onignitionat525°C
【原文标准名称】:纸、纸板和纸浆.在525℃燃烧时残留物(灰分)的测定
【标准号】:BSISO1762-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-01-28
【实施或试行日期】:2002-01-28
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:灰分;纸;数学计算;试验设备;化学分析和试验;纸浆;纸浆;燃烧;定义;纸板;规程;含量测定
【英文主题词】:Ashes;Board(paper);Chemicalanalysisandtesting;Combustion;Definition;Definitions;Determinationofcontent;Mathematicalcalculations;Paper;Paperpulp;Procedures;Pulp;Testequipment
【摘要】:ThisInternationalStandarddescribesthedeterminationoftheresidue(ash)onignitionofpaper,boardandpulpat525℃.Itisapplicabletoalltypesofpaper,boardandpulpsamples.Theashmayconsistofa)mineralmatterinthepulpandvariousresiduesfromchemicalsusedinitsmanufacture,b)metallicmatterfrompipingandmachinery,andc)fillers,pigments,coatingsorresiduesfromvariousadditives.Insamplescontainingcalciumcarbonate,thereispracticallynodecompositionofcarbonatebyashingat525℃.Otherfillersandpigmentssuchasclayandtitaniumdioxidearealsounaffectedbyashingat525℃.Accordingly,theresidueonignitionasdeterminedbythisInternationalStandardprovidesagoodestimateofthetotalinorganicmatterinthesample,providedthatthesampledoesnotcontainothermineralswhichdecomposeatorbelowthistemperature.Forexample,magnesiumcarbonateandcalciumsulfatemay,atleastpartly,decomposeattemperaturesbelow525℃.
【中国标准分类号】:Y30
【国际标准分类号】:85_040;85_060
【页数】:12P;A4
【正文语种】:英语