HGJ 507-1986 水平吊盖不锈钢人孔(附图)
作者:标准资料网 时间:2024-05-19 20:42:32 浏览:8868
来源:标准资料网
基本信息
标准名称: | 水平吊盖不锈钢人孔(附图) |
中标分类: |
化工 >>
化工机械与设备 >>
化工机械与设备零部件 |
替代情况: | 被HG 21598-1999代替 |
发布日期: | |
实施日期: | 2003-06-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 158页 |
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: 化工 化工机械与设备 化工机械与设备零部件
【英文标准名称】:StandardTestMethodforSpeciationoftheVolatileOrganicCompounds(VOCs)inLowVOCContentWaterborneAir-DryCoatingsbyGasChromatograpy
【原文标准名称】:用气相色谱法测定在低挥发有机化合物含量的水溶性空气干燥涂层中的挥发性有机化合物(VOC)的标准试验方法
【标准号】:ASTMD6886-2003(2009)
【标准状态】:现行
【国别】:美国
【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;Gaschromatography(GC)--paints/relatedcoatings/materials;Volatileorganiccompounds(VOC)--paints/relate
【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.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:71_040_50
【页数】:7P.;A4
【正文语种】:英语
【英文标准名称】:Respiratoryprotectivedevices;threadsforfacepieces;centrethreadconnection;germanversionEN148-2:1987
【原文标准名称】:呼吸器接头.呼吸器连接用螺纹.中心螺纹连接
【标准号】:DIN3183T.1-1981
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【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】:
【国际标准分类号】:
【页数】:
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