您的位置: 标准下载 » 协会标准 » ASTM 美国材料与试验协会 »

ASTM E2649-2009 气相色谱分析测定在密封绝缘玻璃元件中氩浓度的标准试验方法

作者:标准资料网 时间:2024-05-22 03:37:33  浏览:9112   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforDeterminingArgonConcentrationinSealedInsulatingGlassUnitsUsingSparkEmissionSpectroscopy
【原文标准名称】:气相色谱分析测定在密封绝缘玻璃元件中氩浓度的标准试验方法
【标准号】:ASTME2649-2009
【标准状态】:现行
【国别】:美国
【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】:E06.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:argongas;fillgas;gasconcentration;sealedinsulatingglassunit;sparkemissionspectroscopy(SES)
【摘要】:Thistestmethodisintendedtoprovideameansfordeterminingtheconcentrationofargoninsealedinsulatingglassunitsundercontrolledconditionsincompliancewiththeapparatusmanufacturer''sinstructions.Thisisanon-destructivetestmethodinthattheedgesealofthetestspecimenisnotbreachedinordertodeterminetheargongasconcentration.However,damagetosomeglasscoatingsontheinnersurfacesoftheglasscanoccur.Thistestmethodhasbeendevelopedbasedondatacollectedinacontrolledlaboratoryenvironment.Thedeviceshallbeusedtodeterminetheargongasconcentrationininsulatingglassunitsinacontrolledlaboratoryenvironment.Referto12.3.Thistestmethodmaybeusedtodeterminetheargongasconcentrationbefore,during,oraftertheinsulatingglassunitissubjectedtodurabilitytests.Theaccuracyofthetestmethodisdependentupontheconcentrationofargongas.Astheargongasleveldecreasestheaccuracyalsodecreases.Whentheconcentrationofargonisbelow70%thistestmethodisnotapplicable.1.1Thistestmethodcoversproceduresforusingasparkemissionspectroscopetodeterminetheconcentrationofargongasinthespacebetweenthelitesofasealedinsulatingglassunit.1.2Thisisanon-destructivetestmethod.1.3Thistestmethodshallbeusedonlyinacontrolledlaboratoryenvironment.1.4Thistestmethodisapplicableforinsulatingglassunitswithargonconcentrationsof70%ormore,wherethebalanceofthegasisatmosphericair.1.5Thistestmethodisapplicableforclear,double-glazedinsulatingglassunits.1.6Thistestmethodisapplicablefordouble-glazedinsulatingglassunitswithonelitehavingametalliccoatingortintedglass,orboth,andwithclearglassastheotherlite.1.7Thistestmethodisapplicablefortriple-glazedinsulatingglassunitsonlywhenthecenterliteofglasshasametalliccoating(eitherlowemissivity(lowE)orreflective)andbothoftheotherlitesareclearglass.1.8Thistestmethodalsoincludesaprocedureforverifyingtheaccuracyofthereadingsofthetestapparatus.1.9ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesaremathematicalconversionstoinch-poundunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.10Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,referto7.1.
【中国标准分类号】:K15
【国际标准分类号】:71_040_50
【页数】:5P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Respiratoryprotectivedevices-Compressedairlinebreathingapparatusincorporatingahood-Requirements,testing,marking.
【原文标准名称】:呼吸保护装置.压缩空气管线带罩呼吸器.要求、试验和标记
【标准号】:NFS76-038/A1-2001
【标准状态】:作废
【国别】:法国
【发布日期】:2001-03-01
【实施或试行日期】:2001-03-05
【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】:C85;C73
【国际标准分类号】:13_340_30
【页数】:5P;A4
【正文语种】:其他


【英文标准名称】:Agriculturaltractor-Rear-mountedpowertake-offtypes1,2and3-Part2:Narrow-tracktractors,dimensionsformastershieldandclearancezone
【原文标准名称】:农用拖拉机.后置式动力输出1,2和3型.第2部分:窄轮距拖拉机,主屏蔽和清关区尺寸
【标准号】:ANSI/ASABE/ISO500-2-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Agriculturalequipment;Agriculturaltractors;Agriculture;Definitions;Dimensions;Drivingelements;Powertake-off;Shafts(rotating);Specifications;Trackwidths;Tractors
【摘要】:Specifiesthedimensionsofthemastershieldandclearancezonesforrear-mountedpowertake-offs(PTOs)oftypes1,2and3onnarrow-track(trackwidth1150mmorless)agriculturaltractors.
【中国标准分类号】:T67
【国际标准分类号】:65_060_10
【页数】:
【正文语种】:英语