JB/T 53395-1994 柴油机喷油器调压弹簧产品质量分等
作者:标准资料网 时间:2024-05-10 17:54:19 浏览:8052
来源:标准资料网
下载地址: 点击此处下载
基本信息
| 标准名称： | 柴油机喷油器调压弹簧产品质量分等 |
| 替代情况： | JB/JQ26003-88 |
| 发布部门： | 机械标准化所 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1900-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 机械 通用加工机械与设备 焊接与切割设备
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforMeasurementofHinderedPhenolicandAromaticAmineAntioxidantContentinNon-zincTurbineOilsbyLinearSweepVoltammetry
【原文标准名称】:用线性扫描伏安法测量无锌涡轮机油中受阻酚和芳香胺抗氧化剂含量的标准试验方法
【标准号】:ASTMD6971-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D02.09.0C
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:2,6-di-tert-butyl-4methylphenol;2,6-di-tert-butylphenol;alkylateddiphenylamine;aromaticamineantioxidant;hinderedphenolantioxidant;in-serviceoils;linearsweepvoltammetry;non-zincturbine
【摘要】:Thequantitativedeterminationofhinderedphenolandaromaticamineantioxidantsinanewturbineoilmeasurestheamountofthesecompoundsthathasbeenaddedtotheoilasprotectionagainstoxidation.Besidephenols,turbineoilscanbeformulatedwithotherantioxidantssuchasamineswhichcanextendtheoillife.Inin-serviceoil,thedeterminationmeasurestheamountoforiginal(hinderedphenolandaromaticamine)antioxidantsremainingafteroxidationhasreduceditsinitialconcentration.Thistestmethodisnotdesignedorintendedtodetectalloftheantioxidantintermediatesformedduringthethermalandoxidativestressingoftheoils,whicharerecognizedashavingsomecontributiontotheremainingusefullifeofthein-serviceoil.Nordoesitmeasuretheoverallstabilityofanoil,whichisdeterminedbythetotalcontributionofallspeciespresent.Beforemakingfinaljudgmentontheremainingusefullifeofthein-serviceoil,whichmightresultinthereplacementoftheoilreservoir,itisadvisedtoperformadditionalanalyticaltechniques(asinaccordancewithTestMethodsD6224andD4378;seealsoTestMethodD2272),havingthecapabilityofmeasuringremainingoxidativelifeofthein-serviceoil.Thistestmethodisapplicabletonon-zinctypeofturbineoilsasdefinedbyISO6743Part4,Table1.Thesearerefinedmineraloilscontainingrustandoxidationinhibitors,butnotantiwearadditives.Thetestisalsosuitableformanufacturingcontrolandspecificationacceptance.Whenavoltammetricanalysisisobtainedforaturbineoilinhibitedwithatypicalsynergisticmixtureofhinderedphenolandaromaticamineantioxidants,thereisanincreaseinthecurrentoftheproducedvoltammogrambetween8to12s(or0.8to1.2Vappliedvoltage)(seeNote1)forthearomaticamines,andanincreaseinthecurrentoftheproducedvoltammogrambetween13and16s(or1.3to1.6Vappliedvoltage)(seeNote1)forthehinderedphenolsintheneutralacetonetestsolution(Fig.1:x-axis1s=0.1V).Hinderedphenolantioxidantsdetectedbyvoltammetricanalysisinclude,butarenotlimitedto,2,6-di-tert-butyl-4-methylphenol;2,6-di-tert-butylphenol;and4,4''-Methylenebis(2,6-di-tert-butylphenol).Aromaticamineantioxidantsdetectedbyvoltammetricanalysisinclude,butarenotlimitedto,phenylalphanaphthylamines,andalkylateddiphenylamines.Note18212;Voltageslistedwithrespecttoreferenceelectrode.ThevoltammogramsshowninFigs.1and2wereobtainedwithaplatinumreferenceelectrodeandavoltagescanrateof0.1V/s.Forturbineoilcontainingonlyaromaticaminesasantioxidants,therewillonlybeanincreaseinthecurrentoftheproducedvoltammogrambetween8to12seconds(or0.8to1.2Vappliedvoltage)(seeNote1)forthearomaticamines,byusingtheneutralacetonetestsolution(firstpeakinFig.1).Forturbineoilscontainingonlyhinderedphenolicantioxidants,itispreferabletouseabasicalcoholtestsolutionratherthantheneutralacetonetestsolutions,asthereisanincreaseinthecurrentoftheproducedvoltammogrambetween3to6seconds(or0.3to0.6Vappliedvoltage)(seeNote1)inbasicalcoholtestsolution(Fig.2:x-axis1second=0.1V)inaccordancewithTestMethodD6810.Note8212;x-axis=time(seconds)andy-axisiscurrent(arbitraryunits)withtoplineinFig.2showingt.........
【中国标准分类号】:E34
【国际标准分类号】:75_160_20
【页数】:6P.;A4
【正文语种】:英语
【原文标准名称】:用线性扫描伏安法测量无锌涡轮机油中受阻酚和芳香胺抗氧化剂含量的标准试验方法
【标准号】:ASTMD6971-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D02.09.0C
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:2,6-di-tert-butyl-4methylphenol;2,6-di-tert-butylphenol;alkylateddiphenylamine;aromaticamineantioxidant;hinderedphenolantioxidant;in-serviceoils;linearsweepvoltammetry;non-zincturbine
【摘要】:Thequantitativedeterminationofhinderedphenolandaromaticamineantioxidantsinanewturbineoilmeasurestheamountofthesecompoundsthathasbeenaddedtotheoilasprotectionagainstoxidation.Besidephenols,turbineoilscanbeformulatedwithotherantioxidantssuchasamineswhichcanextendtheoillife.Inin-serviceoil,thedeterminationmeasurestheamountoforiginal(hinderedphenolandaromaticamine)antioxidantsremainingafteroxidationhasreduceditsinitialconcentration.Thistestmethodisnotdesignedorintendedtodetectalloftheantioxidantintermediatesformedduringthethermalandoxidativestressingoftheoils,whicharerecognizedashavingsomecontributiontotheremainingusefullifeofthein-serviceoil.Nordoesitmeasuretheoverallstabilityofanoil,whichisdeterminedbythetotalcontributionofallspeciespresent.Beforemakingfinaljudgmentontheremainingusefullifeofthein-serviceoil,whichmightresultinthereplacementoftheoilreservoir,itisadvisedtoperformadditionalanalyticaltechniques(asinaccordancewithTestMethodsD6224andD4378;seealsoTestMethodD2272),havingthecapabilityofmeasuringremainingoxidativelifeofthein-serviceoil.Thistestmethodisapplicabletonon-zinctypeofturbineoilsasdefinedbyISO6743Part4,Table1.Thesearerefinedmineraloilscontainingrustandoxidationinhibitors,butnotantiwearadditives.Thetestisalsosuitableformanufacturingcontrolandspecificationacceptance.Whenavoltammetricanalysisisobtainedforaturbineoilinhibitedwithatypicalsynergisticmixtureofhinderedphenolandaromaticamineantioxidants,thereisanincreaseinthecurrentoftheproducedvoltammogrambetween8to12s(or0.8to1.2Vappliedvoltage)(seeNote1)forthearomaticamines,andanincreaseinthecurrentoftheproducedvoltammogrambetween13and16s(or1.3to1.6Vappliedvoltage)(seeNote1)forthehinderedphenolsintheneutralacetonetestsolution(Fig.1:x-axis1s=0.1V).Hinderedphenolantioxidantsdetectedbyvoltammetricanalysisinclude,butarenotlimitedto,2,6-di-tert-butyl-4-methylphenol;2,6-di-tert-butylphenol;and4,4''-Methylenebis(2,6-di-tert-butylphenol).Aromaticamineantioxidantsdetectedbyvoltammetricanalysisinclude,butarenotlimitedto,phenylalphanaphthylamines,andalkylateddiphenylamines.Note18212;Voltageslistedwithrespecttoreferenceelectrode.ThevoltammogramsshowninFigs.1and2wereobtainedwithaplatinumreferenceelectrodeandavoltagescanrateof0.1V/s.Forturbineoilcontainingonlyaromaticaminesasantioxidants,therewillonlybeanincreaseinthecurrentoftheproducedvoltammogrambetween8to12seconds(or0.8to1.2Vappliedvoltage)(seeNote1)forthearomaticamines,byusingtheneutralacetonetestsolution(firstpeakinFig.1).Forturbineoilscontainingonlyhinderedphenolicantioxidants,itispreferabletouseabasicalcoholtestsolutionratherthantheneutralacetonetestsolutions,asthereisanincreaseinthecurrentoftheproducedvoltammogrambetween3to6seconds(or0.3to0.6Vappliedvoltage)(seeNote1)inbasicalcoholtestsolution(Fig.2:x-axis1second=0.1V)inaccordancewithTestMethodD6810.Note8212;x-axis=time(seconds)andy-axisiscurrent(arbitraryunits)withtoplineinFig.2showingt.........
【中国标准分类号】:E34
【国际标准分类号】:75_160_20
【页数】:6P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 钢质船体制造工时定额 号料 |
| 中标分类： | 船舶 >> 船舶综合 >> 经济管理 |
| ICS分类： | 造船和海上建筑物 >> 船舶和海上建筑物综合 >> 造船和海上建筑通用标准 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1988-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 18页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 船舶 船舶综合 经济管理 造船和海上建筑物 船舶和海上建筑物综合 造船和海上建筑通用标准
