ASTM D4530-2007 碳残留物的测定用标准试验方法(微量法)

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【英文标准名称】:StandardTestMethodforDeterminationofCarbonResidue(MicroMethod)
【原文标准名称】:碳残留物的测定用标准试验方法(微量法)
【标准号】:ASTMD4530-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.06
【标准类型】:(TestMethod)
【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】:carbonresidue;carbonresidue(micromethod);dieselfuel;lubricatingoil;petroleumproducts
【摘要】:Thecarbonresiduevalueofthevariouspetroleummaterialsservesasanapproximationofthetendencyofthematerialtoformcarbonaceoustypedepositsunderdegradationconditionssimilartothoseusedinthetestmethod,andcanbeusefulasaguideinmanufactureofcertainstocks.However,careneedstobeexercisedininterpretingtheresults.Thistestmethodoffersadvantagesofbettercontroloftestconditions,smallersamples,andlessoperatorattentioncomparedtoTestMethodD189,towhichitisequivalent.Uptotwelvesamplesmayberunsimultaneously,includingacontrolsamplewhenthevialholdershowninFig.1isusedexclusivelyforsampleanalysis.1.1Thistestmethodcoversthedeterminationoftheamountofcarbonresidue(seeNote1)formedafterevaporationandpyrolysisofpetroleummaterialsundercertainconditionsandisintendedtoprovidesomeindicationoftherelativecokeformingtendencyofsuchmaterials.1.2ThetestresultsareequivalenttotheConradsonCarbonResiduetest(seeTestMethodD189).Thisprocedureisamodificationoftheoriginalmethodandapparatusforcarbonresidueofpetroleummaterials,whereithasbeendemonstratedthatthermogravimetryisanotherapplicabletechnique.However,itistheresponsibilityoftheoperatortoestablishoperatingconditionstoobtainequivalentresultswhenusingthermogravimetry.1.3Thistestmethodisapplicabletopetroleumproductsthatpartiallydecomposeondistillationatatmosphericpressureandwastestedforcarbonresiduevaluesof0.10to30%(m/m).Samplesexpectedtobebelow0.10weight%(m/m)residueshouldbedistilledtoremove90%(V/V)oftheflaskcharge(seeSection).The10%bottomsremainingisthentestedforcarbonresiduebythistestmethod.1.4Ash-formingconstituents,asdefinedbyTestMethodD482,ornon-volatileadditivespresentinthesamplewilladdtothecarbonresiduevalueandbeincludedaspartofthetotalcarbonresiduevaluereported.1.5Alsoindieselfuel,thepresenceofalkylnitrates,suchasamylnitrate,hexylnitrate,oroctylnitrate,causesahighercarbonresiduevaluethanobservedinuntreatedfuel,whichmayleadtoerroneousconclusionsastothecoke-formingpropensityofthefuel.ThepresenceofalkylnitrateinthefuelmaybedetectedbyTestMethodD4046.1.6si-value;1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetypracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see8.2.3and8.4.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:7P.;A4
【正文语种】:


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【英文标准名称】:StandardGuideforSelectionandUseofPersonalProtectiveEquipmentforHumansWorkingWithRespirableSiliconCarbideWhiskers
【原文标准名称】:使用可呼吸碳化硅金属须的人用的人身保护设备选择与使用标准规范
【标准号】:ASTME1716-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:防护服装;碳化物;防护设备;硅氧烷
【英文主题词】:protectiveequipment;silicones;protectiveclothing;carbide
【摘要】:
【中国标准分类号】:C69
【国际标准分类号】:13_340_20
【页数】:
【正文语种】:英语


【英文标准名称】:SpecificationforCrosslinkedPolyethylene(PEX)Tubing
【原文标准名称】:交链聚乙烯管(PEX)规范
【标准号】:ANSI/ASTMF876-2005
【标准状态】:作废
【国别】:美国
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑;交联;管;塑料管;塑料;塑料制品;聚乙烯
【英文主题词】:Construction;Cross-linked;Pipes;Plasticpipes;Plastics;Plasticsproducts;Polyethylene
【摘要】:
【中国标准分类号】:U55
【国际标准分类号】:23_040_20
【页数】:
【正文语种】:英语