GB/T 10047-1988 照相机
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来源:标准资料网
基本信息
| 标准名称： | 照相机 |
| 英文名称： | Camera |
| 中标分类： |
仪器、仪表 >>
电影、照相、缩微、复印设备 >>
照相机与照相器具 |
| ICS分类： |
成像技术 >>
摄影技术 >>
摄影设备、投影仪
|
| 替代情况： | 被GB/T 10047.1-2005代替 |
| 发布部门： | 中国机械工业联合会 |
| 发布日期： | 1988-01-02 |
| 实施日期： | 1989-07-01 |
| 首发日期： | 1988-12-10 |
| 作废日期： | 2006-04-01 |
| 主管部门： | 中国机械工业联合会 |
| 归口单位： | 全国照相机械标准化技术委员会 |
| 起草单位： | 杭州照相机研究所 |
| 出版日期： | 1900-01-01 |
| 页数： | 0 |
适用范围
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前言
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引用标准
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所属分类： 仪器 仪表 电影 照相 缩微 复印设备 照相机与照相器具 成像技术 摄影技术 摄影设备 投影仪
【英文标准名称】:StandardTestMethodforConditionMonitoringofPhosphateAntiwearAdditivesinIn-ServicePetroleumandHydrocarbonBasedLubricantsbyTrendAnalysisUsingFourierTransformInfrared(FT-IR)Spectrometry
【原文标准名称】:使用傅里叶变换红外(FT-R)光谱法通过趋势分析对使用中的石油和碳氢化合物基润滑剂中的磷酸酯抗磨剂进行状态监控的标准试验方法
【标准号】:ASTMD7412-2009
【标准状态】:现行
【国别】:
【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】:D02.96
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:条件控制
【英文主题词】:conditionmonitoring;differentialtrendanalysis;directtrendanalysis;Fouriertransforminfrared;FT-IR;hydrocarbonbasedlubricants;in-servicepetroleumlubricants;infrared;IR;lubricants;oils;phosphateantiwear
【摘要】:Antiwearadditivesarecommonlyusedinpetroleumandhydrocarbonbasedlubricantstopreventmachinerywearbyformingachemicalbarrieractivatedbyfrictionalheat.AntiwearadditivesthatarephosphatebasedcanbemeasuredbyFT-IRspectroscopyusingthephosphateabsorptionband.Initially,phosphateantiwearadditiveswilldecomposeandformaprotectivefilmbybindingtometalsurfacesandthroughoxidativemechanisms,andsoadecreaseinthelevelofphosphateantiwearadditiverelativetothatinthenewoilisexpectedduringnormalmachineryoperation.Subsequently,significantdepletionofphosphateantiwearadditivesduetooxidationorhydrolysiscanoccurwhenthelubricantissubjectedtohightemperaturesandhighlevelsofmoisture.Thisusuallyoccurspriortothepointwheretheoxidationofthelubricantbeginstoacceleratex2014;makingtrendingofphosphateantiwearadditivesausefulindicatorofthelubricantx2019;sremainingin-servicelife.Monitoringofphosphateantiwearadditivedepletionisthereforeanimportantparameterindeterminingoverallmachineryhealthandshouldbeconsideredinconjunctionwithdatafromothertestssuchasatomicemission(AE)andatomicabsorption(AA)spectroscopyforwearmetalanalysis(TestMethodD5185),physicalpropertytests(TestMethodsD445,D2896,andD6304)andotherFT-IRoilanalysismethodsforoxidation(TestMethodD7414),sulfateby-products(TestMethodD7415),nitration,breakdownproductsandexternalcontaminants(PracticeE2412),whichalsoassesselementsoftheoilx2019;scondition,seeRefs(1-6).1.1Thistestmethodcoversmonitoringphosphateantiwearadditivesinin-servicepetroleumandhydrocarbonbasedlubricantssuchasvarioustypesofengineoils,hydraulicoils,andotherlubricantsthatareformulatedforprotectionagainstwear.Typicalphosphateantiwearadditivesincludezincdialkyldithiophosphates,trialkylphosphatesandtriarylphosphates.1.2ThistestmethodusesFourierTransformInfrared(FT-IR)spectrometryformonitoringofphosphateantiwearadditivedepletioninin-servicepetroleumandhydrocarbonbasedlubricantsasaresultofnormalmachineryoperation.Monitoringthedepletionofphosphateantiwearadditivesinin-servicelubricantscanindicateunusualwearorsevereoperatingconditionsofthemachine.Thistestmethodisdesignedasafast,simplespectroscopiccheckformonitoringofphosphateantiwearadditivesinin-servicepetroleumandhydrocarbonbasedlubricantswiththeobjectiveofhelpingdiagnosetheoperationalconditionofthemachinebasedonmeasuringthelevelofphosphateantiwearadditivesintheoil.1.3AcquisitionofFT-IRspectraldataformeasuringphosphateantiwearadditivesinin-serviceoilandlubricantsamplesisdescribedinPracticeD7418.Inthistestmethod,measurementanddatainterpretationparametersforphosphateantiwearadditivesusingbothdirecttrendanalysisanddifferential(spectralsubtraction)trendanalysisarepresented.1.4Thistestmethodisbasedontrendingofspectralchangesassociatedwithphosphateantiwearadditivesinin-servicepetroleumandhydrocarbonbasedlubricants.Warningsoralarmlimitscanbesetonthebasisofafixedminimumvalueforasinglemeasurementor,alternatively,canbebasedonarateofchangeoftheresponsemeasured,seeRef(1).1.4.1Fordirecttrendanalysis,valuesarerecordeddirectlyfromabsorptionspectraandreportedinunitsofabsorbanceper0.1mmpathlength.1.4.2Fordifferentialtrendanalysis,valuesarerecordedfromthedifferential......
【中国标准分类号】:
【国际标准分类号】:75_100
【页数】:5P.;A4
【正文语种】:
