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ASTM E1507-1998(2003) 光学辐射直读仪表的分光计的描述与规定用标准指南

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【英文标准名称】:StandardGuideforDescribingandSpecifyingtheSpectrometerofanOpticalEmissionDirect-ReadingInstrument
【原文标准名称】:光学辐射直读仪表的分光计的描述与规定用标准指南
【标准号】:ASTME1507-1998(2003)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:E01.20
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:测量仪器;分光计;光学测量;辐射测量仪表
【英文主题词】:astigmatism;detection;diffractiongrating;direct-readingspectrometer;lineinterference;opticalemissionspectrometer(OES);opticalworkingresolution;radiationthroughput;scatteredlight
【摘要】:Direct-readingpolychromatorsareinstrumentscommonlyusedformulti-elementspectrochemicalanalysis.Thisguideseekstodescribethoseaspectsofsuchinstrumentsthatareofsignificanceinachievingusefulspectrochemicalperformance.Awarenessofparametersdescribedinthispracticewillmakemanufacturerscognizantoffactorstheyshouldconsiderindesigninginstruments,assistpurchasersofinstrumentsinmakingintelligentcomparisonsofcompetingdesigns,andmakeusersawareofthecompromisestheymustmakeinperformingparticulardeterminations.Adequatedescriptionofspectrometerspermitsformingqualifiedappraisalsonthreeimportantperformancecharacteristics:accuracyofanalysis,detectionlimits,andfreedomfromlineinterferences.1.1Thisguidecoversfeaturesofaspectrometerorpolychromatorusedforopticalemission,direct-reading,spectrochemicalanalysis.Apolychromatorinthissenseconsistsofaspectrometerwithanextendedandfixedwavelengthrangeandanarrayoffixedexitslitstoisolatethespectrallinesoftheelementstobemeasured.1.1.1Thisguidedoesnotapplytodirect-readingsystemsthatemployechellespectrometersandvidiconorotherdetectorswherethedesignparametersarequitedifferent.1.2Thisguidecoversonlytheopticalportionoftheinstrument,fromexcitationstandtophotomultipliers.1.2.1Onlygeneralstatementsaremadeaboutsourceunits.1.2.2Photomultipliersareincludedtotheextentthattheyaremountedwithinthespectrometertoconvertopticalintensitiestoelectricalsignals,andestablishtheinstrumentalprecisionofeachchannelasalightmeasuringdevice.Readoutsystemsarenotincluded.1.3Itisnotthepurposeofthisguidetoestablishbindingspecificationsortolerances,butrather,tocallattentiontoimportantparametersthatmanufacturersshouldincludeintheirliterature,toprovidemethodsformeasuringthoseparameters,andtoassignvaluesthatareindicativeofacceptablygoodperformance.Becauseofthegreatvarietyofdemandsimposedbyspectrochemicaltechniques,rigidperformancecriteriaarenotfeasible.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N34
【国际标准分类号】:17_180_30
【页数】:17P.;A4
【正文语种】:


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Product Code:SAE J2096
Title:Categorization of Low Carbon Automotive Sheet Steel (Cancelled Sep 1997)
Issuing Committee:Sheet And Strip Steel Committee
Scope:This SAE Recommended Practice establishes a nomenclature for categorizing low carbon automotive hot rolled sheet, cold rolled sheet, and zinc and zinc alloy coated sheets.【英文标准名称】:StandardTestMethodforCorrosionofSurgicalInstruments
【原文标准名称】:外科仪器腐蚀的标准试验方法
【标准号】:ASTMF1089-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:F04.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:手术器械;腐蚀;试验;医学科学;医疗设备
【英文主题词】:boiltest;coppersulfatecorrosiontest;corrosion-surgicalimplants;immersion
【摘要】:Thistestmethodprovidesatestmethodologyandmeansofevaluationconsistenttobothproducersandusersalike.Thecorrosiontestsserveasanindicatorofpropermaterialprocessingselectionbythemanufacturersandpropercarebythe
【中国标准分类号】:C30
【国际标准分类号】:11_040_30
【页数】:3P.;A4
【正文语种】: