【英文标准名称】:StandardforSafetyforLow-VoltageFuses-Part8:ClassJFuses
【原文标准名称】:低压熔断器安全标准.第8部分:J级熔断器
【标准号】:ANSI/UL248-8-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:安全标准;低压熔断器;低电压;电气工程
【英文主题词】:safetystandards;electricalengineering;lowvoltage;low-voltagefuses
【摘要】:
【中国标准分类号】:J30
【国际标准分类号】:29_120_50
【页数】:
【正文语种】:英语


【英文标准名称】:StandardPracticeforSeparationofIgnitableLiquidResiduesfromFireDebrisSamplesbyPassiveHeadspaceConcentrationWithActivatedCharcoal
【原文标准名称】:用被动顶空活性碳浓缩法从火烧瓦砾样品中分离可燃液体残渣的标准实施规程
【标准号】:ASTME1412-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E30.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:分析方法;防火安全
【英文主题词】:firedebrissamples;passiveheadspaceconcentration
【摘要】:Thispracticeisusefulforpreparingextractsfromfiredebrisforlateranalysisbygaschromatography,GC/MS,orGC/IR.Thisisaverysensitiveseparationprocedure,capableofisolatingquantitiessmallerthan1/10x03BC;Lofignitableliquidresiduefromasample.1.1Thispracticecoverstheprocedureforremovingsmallquantitiesofignitableliquidresiduefromsamplesoffiredebrisusinganadsorbentmaterialtoextracttheresiduefromthestaticheadspaceabovethesample,thenelutingtheadsorbentwithasolvent.1.2Whilethispracticeissuitableforsuccessfullyextractingignitableliquidresiduesovertheentirerangeofconcentration,theheadspaceconcentrationmethodsarebestusedwhenahighlevelofsensitivityisrequiredduetoaverylowconcentrationofignitableliquidresiduesinthesample.1.2.1Unlikeothermethodsofseparationandconcentration,thispracticeisessentiallynondestructive.1.3Alternateseparationandconcentrationproceduresarelistedinthereferenceddocuments.(seePracticesE1385,E1386,E1388,andE1413).Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C80
【国际标准分类号】:13_220_99
【页数】:2P.;A4
【正文语种】: