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ISO 5626-1993 纸耐褶性的测定

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【英文标准名称】:Paper;determinationoffoldingendurance
【原文标准名称】:纸耐褶性的测定
【标准号】:ISO5626-1993
【标准状态】:现行
【国别】:国际
【发布日期】:1993-11
【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/TC6
【标准类型】:()
【标准水平】:()
【中文主题词】:折弯;抗弯强度;折叠;反向弯曲试验;纸;试验;试验设备;弯曲试验
【英文主题词】:Bendingstrength;Bendingtests;Folding;Foldings;Paper;Reverse-bendtests;Testequipment;Testing
【摘要】:SpecifiesthemethodsforthedeterminationoffoldingenduranceofpaperusingK攈ler-Molin,Lhomargy,MITandSchoppertesters.Theprincipleofthemethodsisfoldingbackwardsandforwardsinastandardizedmannerofanarrowstripofpapersubjectedtoalongitudinalstress,untilitbreaks.TheK攈ler-Molin,LhomargyandSchoppermethodsareapplicabletopaperofthicknessesupto0,25mmthickandhavingatensilestrengthgreaterthan1,33kN/m.TheMITtesterhasinterchangeablefoldingheadsallowingarangeofthicknessesupto1,25mm.
【中国标准分类号】:Y30
【国际标准分类号】:85_060
【页数】:9P;A4
【正文语种】:英语


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【英文标准名称】:TestMethodforDeterminationofCarbonResidue(MicroMethod)
【原文标准名称】:测定碳残留物的试验方法(微量法)
【标准号】:ANSI/ASTMD4530-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007
【实施或试行日期】:2007-11-27
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:碳;润滑剂;石油产品;残留物;测试
【英文主题词】:Carbon;Lubricants;Petroleumproducts;Residues;Testing
【摘要】:Thistestmethodcoversthedeterminationoftheamountofcarbonresidue(seeNote1)formedafterevaporationandpyrolysisofpetroleummaterialsundercertainconditionsandisintendedtoprovidesomeindicationoftherelativecokeformingtendencyofsuchmaterials.ThetestresultsareequivalenttotheConradsonCarbonResiduetest(seeTestMethodD189).Thisprocedureisamodificationoftheoriginalmethodandapparatusforcarbonresidueofpetroleummaterials,whereithasbeendemonstratedthatthermogravimetryisanotherapplicabletechnique.However,itistheresponsibilityoftheoperatortoestablishoperatingconditionstoobtainequivalentresultswhenusingthermogravimetry.Thistestmethodisapplicabletopetroleumproductsthatpartiallydecomposeondistillationatatmosphericpressureandwastestedforcarbonresiduevaluesof0.10to30%(m/m).Samplesexpectedtobebelow0.10weight%(m/m)residueshouldbedistilledtoremove90%(V/V)oftheflaskcharge(seeSection).The10%bottomsremainingisthentestedforcarbonresiduebythistestmethod.Ash-formingconstituents,asdefinedbyTestMethodD482,ornon-volatileadditivespresentinthesamplewilladdtothecarbonresiduevalueandbeincludedaspartofthetotalcarbonresiduevaluereported.Alsoindieselfuel,thepresenceofalkylnitrates,suchasamylnitrate,hexylnitrate,oroctylnitrate,causesahighercarbonresiduevaluethanobservedinuntreatedfuel,whichmayleadtoerroneousconclusionsastothecoke-formingpropensityofthefuel.ThepresenceofalkylnitrateinthefuelmaybedetectedbyTestMethodD4046.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetypracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:
【正文语种】:英语


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