BS EN ISO 5267-1-2001 纸浆.滤水性能的测定.肖伯-黎格勒测定法
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【英文标准名称】:Pulps-Determinationofdrainability-Schopper-Rieglermethod
【原文标准名称】:纸浆.滤水性能的测定.肖伯-黎格勒测定法
【标准号】:BSENISO5267-1-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2003-12-01
【实施或试行日期】:2003-12-01
【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】:水分散体;悬浮液;湿强度试验(纸);纸浆;试样制备
【英文主题词】:drainage;testequipment;definitions;pouringtests;woodpulp;papertechnology;cellulosepulp;drainabilitytests;fibres;water;strengthtests;strengthofmaterials;paperstock;pulp;paperpulp;materialstesting;testing;tests;definition;schopper-riegler
【摘要】:ThispartofISO5267specifiesamethodforthedeterminationofthedrainabilityofapulpsuspensioninwaterintermsoftheSchopper-Riegler(SR)number.TheSchopper-Rieglertestisdesignedtoprovideameasureoftherateatwhichadilutesuspensionofpulpmaybedewatered.Ithasbeenshownthatthedrainabilityisrelatedtothesurfaceconditionsandswellingofthefibres,andconstitutesausefulindexoftheamountofmechanicaltreatmenttowhichthepulphasbeensubjected.Inprinciple,thismethodisapplicabletoallkindsofpulpinaqueoussuspension.However,inpractice,theSchopper-Rieglertestprovidesacceptableresultsonlyifasufficientlydensematoffibresisformedonthewirescreen.Forthisreason,thetestisnotrecommendedforsomeextremelyshort-fibredpulps,suchasthosefromwell-beatenhardwoods,asmostofthefibreswillpassthroughthewirescreen,resultinginanomalousreductionoftheSRnumber.Themostreliableresultsareobtainedwithintherangeof10to90SRnumber.Theresultsofthistestdonotnecessarilycorrelatewiththedrainagebehaviourofapulpmaterialonacommercialpapermachine.NOTEAmethodforthedeterminationofdrainabilityintermsofthe"CanadianStandard"freenessnumberisspecifiedinISO5267-2:1980,Pulps—Determinationofdrainability—Part2:"CanadianStandard"freenessmethod.
【中国标准分类号】:Y30
【国际标准分类号】:85_040
【页数】:16P.;A4
【正文语种】:英语
【原文标准名称】:纸浆.滤水性能的测定.肖伯-黎格勒测定法
【标准号】:BSENISO5267-1-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2003-12-01
【实施或试行日期】:2003-12-01
【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】:水分散体;悬浮液;湿强度试验(纸);纸浆;试样制备
【英文主题词】:drainage;testequipment;definitions;pouringtests;woodpulp;papertechnology;cellulosepulp;drainabilitytests;fibres;water;strengthtests;strengthofmaterials;paperstock;pulp;paperpulp;materialstesting;testing;tests;definition;schopper-riegler
【摘要】:ThispartofISO5267specifiesamethodforthedeterminationofthedrainabilityofapulpsuspensioninwaterintermsoftheSchopper-Riegler(SR)number.TheSchopper-Rieglertestisdesignedtoprovideameasureoftherateatwhichadilutesuspensionofpulpmaybedewatered.Ithasbeenshownthatthedrainabilityisrelatedtothesurfaceconditionsandswellingofthefibres,andconstitutesausefulindexoftheamountofmechanicaltreatmenttowhichthepulphasbeensubjected.Inprinciple,thismethodisapplicabletoallkindsofpulpinaqueoussuspension.However,inpractice,theSchopper-Rieglertestprovidesacceptableresultsonlyifasufficientlydensematoffibresisformedonthewirescreen.Forthisreason,thetestisnotrecommendedforsomeextremelyshort-fibredpulps,suchasthosefromwell-beatenhardwoods,asmostofthefibreswillpassthroughthewirescreen,resultinginanomalousreductionoftheSRnumber.Themostreliableresultsareobtainedwithintherangeof10to90SRnumber.Theresultsofthistestdonotnecessarilycorrelatewiththedrainagebehaviourofapulpmaterialonacommercialpapermachine.NOTEAmethodforthedeterminationofdrainabilityintermsofthe"CanadianStandard"freenessnumberisspecifiedinISO5267-2:1980,Pulps—Determinationofdrainability—Part2:"CanadianStandard"freenessmethod.
【中国标准分类号】:Y30
【国际标准分类号】:85_040
【页数】:16P.;A4
【正文语种】:英语
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