【英文标准名称】:Flaretypeandbrazingtypefittingsforrefrigerants
【原文标准名称】:致冷剂用喇叭口型和硬铜焊管接头
【标准号】:JISB8607-2002
【标准状态】:作废
【国别】:日本
【发布日期】:2002-09-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:TechnicalCommitteeonIndustrialMachinery
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:この規格は,銅及び銅合金に対して腐食性のない冷媒を用いた,冷凍装置の銅管の接続に使用するフレア管継手(管端部のフレア加工を含む。),銅合金ろう付けソケット管継手及びろう付け管継手(以下,総合して管継手という。)について規定する。備考この規格で用いる圧力は,ゲージ圧力をいう。
【中国标准分类号】:J24
【国际标准分类号】:23_040_40;27_200
【页数】:22P.;A4
【正文语种】:日语


【英文标准名称】:StandardTestMethodforAnalysisofAMS(x03B1;-Methylstyrene)byCapillaryGasChromatography
【原文标准名称】:用毛细管气相色谱对AMS(α-甲基苯乙烯)分析的标准试验
【标准号】:ASTMD6144-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D16.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acetophenone;alphamethylstyrene;AMS;analysisbygaschromatography;benzene;butenylbenzene;butylbenzene;catechol;cumene;cymene;phenol;propylbenzene;toluene;Gaschromatography(GC)--paints/relatedcoatings/materials;Purityanalysis--paints/re
【摘要】:Thistestmethodissuitableforsettingspecificationsonthematerialsreferencedin1.2andforuseasaninternalqualitycontroltoolwhereAMSisproducedorisusedinamanufacturingprocess.ItmayalsobeusedindevelopmentorresearchworkinvolvingAMS.ThistestmethodisusefulindeterminingthepurityofAMSwithnormalimpuritiespresent.IfextremelyhighboilingorunusualimpuritiesarepresentintheAMS,thistestmethodwouldnotnecessarilydetectthemandthepuritycalculationwouldbeerroneous.1.1ThistestmethodcoversthedeterminationofthepurityofAMS(x03B1;-methylstyrene)bygaschromatography.Calibrationofthegaschromatographysystemisdonebytheexternalstandardcalibrationtechnique.1.2Thistestmethodhasbeenfoundapplicabletothemeasurementofimpuritiessuchascumene,3-methyl-2-cyclopentene-1-one,n-propylbenzene,tert-butylbenzene,sec-butylbenzene,cis-2-phenyl-2-butene,acetophenone,1-phenyl-1-butene,2-phenyl-2-propanol,trans-2-phenyl-2-butene,m-cymene,p-cymene,andphenol,whicharecommontothemanufacturingprocessofAMS.Themethodhasalsobeenfoundapplicableforthedeterminationofpara-tertiary-butylcatecholtypicallyaddedasastabilizertoAMS.TheimpuritiesinAMScanbeanalyzedoverarangeof5to800mg/kgbythismethod.(SeeTable1.)Thelimitofdetectionfortheseimpuritiesistypicallyintherangeof5to10mg/kg.(SeeTable1.)1.3Indeterminingtheconformanceofthetestresultsusingthismethodtoapplicablespecifications,resultsshallberoundedoffinaccordancewiththerounding-offmethodofPracticeE29.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection8.
【中国标准分类号】:G17
【国际标准分类号】:71_040_50
【页数】:5P.;A4
【正文语种】:英语