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ANSI/ASTM D524-2004 石油产品的兰氏残炭试验方法

作者:标准资料网 时间:2024-05-27 01:11:07  浏览:8291   来源:标准资料网
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【英文标准名称】:TestMethodforRamsbottomCarbonResidueofPetroleumProducts
【原文标准名称】:石油产品的兰氏残炭试验方法
【标准号】:ANSI/ASTMD524-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【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】:石油产品;试验
【英文主题词】:Carbonresidues;Petroleumproducts;Ramsbottom;Residue;Testing
【摘要】:Thistestmethodcoversthedeterminationoftheamountofcarbonresidue(Note1)leftafterevaporationandpyrolysisofanoil,anditisintendedtoprovidesomeindicationofrelativecoke-formingpropensity.Thistestmethodisgenerallyapplicabletorelativelynonvolatilepetroleumproductswhichpartiallydecomposeondistillationatatmosphericpressure.Thistestmethodalsocoversthedeterminationofcarbonresidueon10%(V/V)distillationresidues(seeSection10).Petroleumproductscontainingash-formingconstituentsasdeterminedbyTestMethodD482,willhaveanerroneouslyhighcarbonresidue,dependingupontheamountofashformed(Note2Note3).Note1-Thetermcarbonresidueisusedthroughoutthistestmethodtodesignatethecarbonaceousresidueformedduringevaporationandpyrolysisofapetroleumproduct.Theresidueisnotcomposedentirelyofcarbon,butisacokewhichcanbefurtherchangedbypyrolysis.Thetermcarbonresidueiscontinuedinthistestmethodonlyindeferencetoitswidecommonusage.Note2-ValuesobtainedbythistestmethodarenotnumericallythesameasthoseobtainedbyTestMethodD189,orTestMethodD4530.Approximatecorrelationshavebeenderived(seeFig.X2.1)butneednotapplytoallmaterialswhichcanbetestedbecausethecarbonresiduetestisapplicabletoawidevarietyofpetroleumproducts.TheRamsbottomCarbonResiduetestmethodislimitedtothosesamplesthataremobilebelow90?C.Note3-Indieselfuel,thepresenceofalkylnitratessuchasamylnitrate,hexylnitrate,oroctylnitrate,causesahighercarbonresiduevaluethanobservedinuntreatedfuel,whichcanleadtoerroneousconclusionsastothecoke-formingpropensityofthefuel.ThepresenceofalkylnitrateinthefuelcanbedetectedbyTestMethodD4046.Note4-ThetestprocedureinSection10isbeingmodifiedtoallowtheuseofa100-mLvolumeautomateddistillationapparatus.Noprecisiondataisavailablefortheprocedureatthistime,butaroundrobinisbeingplannedtodevelopprecisiondata.The250-mLvolumebulbdistillationmethoddescribedinSection10fordeterminingcarbonresidueona10%distillationresidueisconsideredtherefereetest.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【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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MIL-PRF-24751A, PERFORMANCE SPECIFICATION, FANS, VANEAXIAL GAS TURBINE ENCLOSURE COOLING NAVAL SHIPBOARD (16 DEC 2004) [SUPERSEDING MIL-F-24751]., This specification covers high pressure and HI shock, type TA vaneaxial fans for use in cooling the gas turbine enclosures of ship propulsion/generator systems.【英文标准名称】:Slottedsetscewswithconepoint.
【原文标准名称】:锥端开槽调整螺钉
【标准号】:NFE25-161-1992
【标准状态】:现行
【国别】:法国
【发布日期】:1992-12-01
【实施或试行日期】:1992-12-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:验收规范;名称与符号;设计;规范(验收);尺寸;交货条件;公差(测量);锥端;螺纹形状;螺钉;重量;材料;平头螺钉;一字槽头螺钉;开槽;槽头紧固件;紧固件;螺纹
【英文主题词】:Acceptancespecification;Conedpoint;Deliveryconditions;Design;Designations;Dimensions;Fasteners;Grubscrews;Materials;Screws(bolts);Slots;Slottedscrews;Slotted-headfasteners;Specification(approval);Specifications;Threadforms;Threads;Tolerances(measurement);Weights
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:3P.;A4
【正文语种】:其他



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