ANSI/NEMA EW1-1983 电弧焊接电源

上一篇: ANSI/IEEE 803-1983 发电厂和相关设施的单一标志、原理和定义的推荐实施规程.
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【英文标准名称】:Highwayswintermaintenanceplantandhighwayssideequipmentmaintenance.Lightbaseplate.Characteristicsandspecifications.
【原文标准名称】:公路冬季保养设备和公路辅助设备的维护.轻质底板.特性和规范
【标准号】:NFP98-796-1996
【标准状态】:作废
【国别】:法国
【发布日期】:1996-12-01
【实施或试行日期】:1996-12-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:R19
【国际标准分类号】:43_160;93_080_10
【页数】:7P;A4
【正文语种】:其他


【英文标准名称】:StandardTestMethodforSpeciationoftheVolatileOrganicCompounds(VOCs)inLowVOCContentWaterborneAir-DryCoatingsbyGasChromatograpy
【原文标准名称】:使用气体色谱法的低VOC含量水中空气干燥涂层的易挥发有机化合物的形成的标准试验方法
【标准号】:ASTMD6886-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:exemptorganiccompounds;gaschromatography;HAPS(hazardousairpollutants);speciation;SPME(solidphasemicroextraction);waterbornecoatings
【摘要】:InusingPracticeD3960tomeasuretheregulatoryVOCcontentofcoatings,precisiontendstobepoorforlowVOCcontentwaterbornecoatingsbecausetheVOCweightfractionisdeterminedindirectly.ThepresentmethodfirstidentifiesandthenquantifiestheweightfractionofindividualVOCsdirectlyinlowVOCcontentwaterborneair-drycoatings.ThetotalVOCweightfractioncanbeobtainedbyaddingtheindividualweightfractionvalues(Note3).Note38212;AneffortiscurrentlyunderwayinCaliforniatoconsiderchangingmass-basedVOCregulationsforarchitecturalcoatingstoreactivity-basedVOCregulations.InCalifornia,reactivitybasedregulationshavealreadybeenimplementedforaerosolcoatings,thatis,MIR-indexedregulations(CaliforniaAirResourcesBoard).Reactivitybasedregulationswouldrequireknowingtheweightfractionsofeachindividualvolatilecompoundpresentinacoating.SPME/GCmakesitpossibletoidentifyverylowlevelsofvolatilecompoundsinacoatingandcouldservetomakeitpossibletoidentifythepresenceofhazardousairpollutants(HAPs).1.1ThistestmethodisforthedeterminationoftheweightpercentofindividualvolatileorganiccompoundsinlowVOCcontentwaterbornelatexair-drycoatings.ThemethodisintendedprimarilyforanalysisofwaterbornecoatingsinwhichthematerialVOCcontentisbelow5weightpercent.ThemethodhasbeenusedsuccessfullywithhigherVOCcontentwaterbornecoatings.1.2Thismethodmayalsobeusedtomeasuretheexemptvolatileorganiccompoundcontent(acetone,methylacetate,andp-chlorobezotrifluoride)ofwaterbornecoatings.ThemethodologyisvirtuallyidenticaltothatusedinTestMethodD6133andsimilartothatusedinTestMethodD6438.1.3Volatilecompoundsthatarepresentatthe0.05weightpercentlevelorgreatercanbedetermined.Solidphasemicroextractionwilldetectvolatilecompoundsatlowerlevels.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:71_040_50(PHYSICOCHEMICALMETHODSOFANALYSIS)
【页数】:6P.;A4
【正文语种】: