MIL-STD-1337B (NOTICE 1)
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MIL-STD-1337B (NOTICE 1), MILITARY STANDARD, GENERAL SUPPRESSION SYSTEM DESIGN REQUIREMENTS FOR PORTABLE ELECTRIC HAND TOOLS (18 OCT 1989)., MIL-STD-1337B(SHIPS) dated 8 APR 1971, is hereby canceled. Future acquisitions should refer to MIL-STD-461, Electromagnetic Emission and susceptibility Requirements for the Control of Electromagnetic Interference and MIL-STD-462, Electro magnetic Interference Characteristics, Measurement of.
【英文标准名称】:StandardGuideforX-RayFluorescence(XRF)SpectroscopyofPigmentsandExtenders
【原文标准名称】:颜料和填充剂的X射线荧光光谱测定法的标准指南
【标准号】:ASTMD5381-1993(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1993
【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】:D01.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:briquette;energydispersiveXRF;extender;inorganicdrier;pigment;spectroscopy;wavelengthdispersiveXRF;X-rayfluorescence;Spectroscopy--X-rayfluorescence(XRF);XRF(X-rayfluorescence)--paints/relatedcoatings/materials;Briquette;Energy-dispe
【摘要】:Theidentificationofpigmentsinasampleofliquidpaintorpaintfilmisoftenimportantforregulatorypurposes.Manyinorganicpigmentsorextendersutilizedinpastpaintformulationarenowregulatedbyfederal,state,ormunicipalhealthauthorities.XRFisoneofthemorecommonandconvenientmethodsemployedtocharacterizethepigmentcompositionofapaintformulation.XRFtechniques,ingeneral,donotprovidetheabilitytoidentifythechemicalnatureoforganicpigments.ThereareinstanceswhereXRFtechniques,usedintandemwithotheranalyticalmethods,suchassolidstateCarbon13NuclearMagneticResonance(C-13NMR),canidentifytheorganicpigmentsutilizedincoatings.However,XRFprovidesonlyanelementalsketchoftheinorganicpigmentation.Thechemicalcompositionofthepigmentsisinferredbytheanalystfromthesamples,color,elementalinformation,andcommonsense.Smallimpuritiesareoftenfoundinpigments,sotherelativeXRFintensitiesalsoservetoguidetheanalystinproposingtheprobablepigmentpresent.1.1ThisguidecoversthegeneralconsiderationsforproperuseofX-rayfluorescence(XRF)spectroscopy.BecausemanydifferencesexistbetweenXRFinstruments,nodetailedoperatinginstructionsareprovided.Theanalystshouldfollowtheinstructionsprovidedbythemanufacturerforhisinstrument.1.2Theanalystisencouragedtoconsultthechemicalliterature,varioustradejournals,pigmentsupplierpublications,etc.,aswellastheinstrumentmanualsfromthemanufacturer.1.3XRFiscommonlyemployedtodeterminetheelementspresentininorganicpigmentsandextenders,ofteninconcertwithotheranalysistechniques.OrganicpigmentscannotnormallybeidentifiedsolelybyXRF.Onoccasion,organicpigmentscontainheavierelementsthatcandistinguishbetweenmajorclassesofthesepigmentsormayservetodistinguishoneofthetwodistinctpigments.However,theanalystshouldbewaryofaqualitativepigmentidentificationsolelybyXRFtechnique.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ForspecifichazardinformationseeSection3onRadiationConcerns.
【中国标准分类号】:G53
【国际标准分类号】:87_060_10
【页数】:2P.;A4
【正文语种】:英语
【英文标准名称】:Cleanroomsandassociatedcontrolledenvironments-Part3:Testmethods
【原文标准名称】:洁净室和相关控制环境.第3部分:试验方法
【标准号】:ISO14644-3-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC209
【标准类型】:()
【标准水平】:()
【中文主题词】:空气污染;空气纯度;空气质量;气载粉尘;检查表;无菌室;无技;浓缩;微粒浓缩;定义;排水量;流动;测量;测量方法;计量学;微粒数量;试验报告;试验;试验条件
【英文主题词】:Airpollution;Airpurity;Airquality;Airbornedust;Checklists;Cleanrooms;Clean-roomtechnology;Concentration;Concentrationofparticles;Definitions;Displacementflow;Flow;Measurement;Methodsformeasuring;Metrology;Numberofparticles;Testreports;Testing;Testingconditions
【摘要】:ThispartofISO14644specifiestestmethodsfordesignatedclassificationofairborneparticulatecleanlinessandforcharacterizingtheperformanceofcleanroomsandcleanzones.Performancetestsarespecifiedfortwotypesofcleanroomsandcleanzones:thosewithunidirectionalflowandthosewithnon-unidirectionalflow,inthreepossibleoccupancystates:as-built,at-restandoperational.Thetestmethodsrecommendtestapparatusandtestproceduresfordeterminingperformanceparameters.Wherethetestmethodisaffectedbythetypeofcleanroomorcleanzone,alternativeproceduresaresuggested.Forsomeofthetests,severaldifferentmethodsandapparatusarerecommendedtoaccommodatedifferentend-useconsiderations.AlternativemethodsnotincludedinthispartofISO14644maybeusedifbasedonagreementbetweencustomerandsupplier.Alternativemethodsdonotnecessarilyprovideequivalentmeasurements.ThispartofISO14644isnotapplicabletothemeasurementofproductsorofprocessesincleanroomsorseparativedevices.
【中国标准分类号】:C04;C47
【国际标准分类号】:13_040_35
【页数】:65P;A4
【正文语种】:英语
